2009-05-06 Tobias Burnus <burnus@net-b.de>
[official-gcc/alias-decl.git] / gcc / ChangeLog
blobfdb25f60a5ad1a3483cafe09d12075e71872632b
1 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
3         * Makefile.in (install-plugin): Fix srcdir handling.
5 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
7         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
8         when processing for not_regs_needed bitmap.
9         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
10         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
11         handling it for rhs. 
13 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
15         * config/i386/i386.md ((unnamed inc/dec peephole): Use
16         optimize_insn_for_size_p instead
17         of optimize_size.
18         * config/i386/predicates.md (incdec_operand): Likewise.
19         (aligned_operand): Likewise.
20         * config/i386/sse.md (divv8sf3): Likewise.
21         (sqrtv8sf2): Likewise.
23 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
25         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
27         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
29 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
31         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
32         ssemodesuffixf2c with avxmodesuffixf2c.
34 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
36         PR c/40032
37         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed
38         field.
40 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
42         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
43         (struct tree_base): Adjust spacing for 8 bit boundaries.
44         (struct tree_decl_common): Add decl_by_reference_flag bit.
45         (DECL_BY_REFERENCE): Adjust.
46         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
47         print DECL_BY_REFERENCE bit.
48         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
49         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
50         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
51         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
52         unconditionally.
54         PR middle-end/39666
55         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
56         range of the type, but default label is missing, add it with one
57         of the existing labels instead of adding a new label for it.
59 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
61         * dwarf.h: Remove.
63 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
65         * Makefile.in (enable_plugin, plugin_includedir): New.
66         (install): Depend on install-plugin.
67         (PLUGIN_HEADERS): New.
68         (install-plugin): New.
69         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
71 2009-05-05  Richard Guenther  <rguenther@suse.de>
73         PR tree-optimization/40022
74         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
75         the only vuse.
76         (phivn_valid_p): Fix tuplification error, simplify.
77         (phiprop_insert_phi): Add dumps.
78         (propagate_with_phi): Simplify.
80 2009-05-05  Richard Guenther  <rguenther@suse.de>
82         PR middle-end/40023
83         * builtins.c (gimplify_va_arg_expr): Properly build the
84         address.
86 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
88         * tree.h (strip_float_extensions): Remove duplicate declaration.
89         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
90         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
91         block_ultimate_origin): Rearrange the declarations line to match the
92         comment that indicates the .c file which the functions are defined.
93         (dwarf2out_*, set_decl_rtl): Add comment.
94         (get_base_address): Adjust comment.
95         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
96         declarations line and add comment.
97         (is_builtin_name): Add blank after function name, for clarity.
99 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
101         * attribs.c (decl_attributes): Use %qE for identifiers in
102         diagnostics.
103         * cgraphunit.c (verify_cgraph_node): Translate function names to
104         locale character set in diagnostics.
105         * coverage.c (get_coverage_counts): Use %qE for identifiers in
106         diagnostics.
107         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
108         Document that functions are named in UTF-8.
109         * expr.c (expand_expr_real_1): Translate function names to locale
110         character set in diagnostics.
111         * gimplify.c (omp_notice_variable, omp_is_private,
112         gimplify_scan_omp_clauses): Use %qE for identifiers in
113         diagnostics.
114         * langhooks.c (lhd_print_error_function): Translate function names
115         to locale character set.
116         * langhooks.h (decl_printable_name): Document that return value is
117         in internal character set.
118         * stmt.c: Include pretty-print.h
119         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
120         diagnostics.
121         (resolve_operand_name_1): Translate named operand name to locale
122         character set.
123         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
124         diagnostics.
125         * toplev.c (announce_function): Translate function names to locale
126         character set.
127         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
128         (default_tree_printer): Use pp_identifier or translate identifiers
129         to locale character set.  Mark "<anonymous>" for translation.
130         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
131         for identifiers in diagnostics.
132         * tree.c (handle_dll_attribute): Use %qE for identifiers in
133         diagnostics.
134         * varasm.c (output_constructor): Use %qE for identifiers in
135         diagnostics.
137 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
139         * configure.ac: use ` ` instead of $()
140         * configure: Regenerate.
142 2009-05-05  Ben Elliston  <bje@au.ibm.com>
144         * config/pa/linux-atomic.c: Eliminate conditional include of
145         errno.h on non-LP64 systems to simplify build requirements.
147 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
149         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
150         diagnostics.
151         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
152         and pass value to identifier_to_locale.
153         (warn_variable_length_array): Make name a tree.
154         (grokdeclarator): Separate diagnostic texts for named and unnamed
155         declarators.  Use %qE for named declarators.
156         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
157         diagnostics.
158         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
159         identifiers in diagnostics.
160         * c-typeck.c (push_member_name, start_init): Pass identifiers to
161         identifier_to_locale.  Mark "anonymous" strings for translation.
163 2009-05-04  Michael Eager <eager@eagercon.com>
165         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
166         address for DImode/DFmode only if double-precision FP regs.
168 2009-05-04  Michael Eager <eager@eagercon.com>
170         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
171         TARGET_SINGLE_FLOAT check.
173 2009-05-04  Michael Eager <eager@eagercon.com>
175         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
177 2009-05-04  Michael Eager <eager@eagercon.com>
179         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
180         * config/rs6000/t-xilinx: New
182 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
184         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
185         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
186         * gcc/explow.c (memory_address): Use target hook.
187         * gcc/targhooks.c (default_legitimize_address): New.
188         * gcc/targhooks.h (default_legitimize_address): New.
189         * gcc/target.h (legitimize_address): New.
190         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
191         (TARGET_INITIALIZER): Include it.
192         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
194         * config/bfin/bfin-protos.h (legitimize_address): Remove.
195         * config/bfin/bfin.c (legitimize_address): Remove.
196         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
197         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address): Remove.
198         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
199         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
201         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
202         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
203         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
204         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
205         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
206         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
207         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
208         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
209         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
210         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
211         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
212         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
213         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
214         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
215         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
216         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
217         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
218         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
219         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
220         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
221         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
222         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
223         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
225         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
226         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
227         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
228         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
229         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
230         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
231         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
232         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
233         (thumb_legitimize_address): Delete.
234         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
235         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
236         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
237         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
238         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
239         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address): Delete.
240         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address): Delete.
242         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
243         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
244         * config/m32r/m32r.c (m32r_legitimize_address): New.
245         * config/m68k/m68k.c (m68k_legitimize_address): New.
246         * config/score/score.c (score_legitimize_address): Standardize.
247         * config/score/score3.c (score3_legitimize_address): Standardize.
248         * config/score/score3.h (score3_legitimize_address): Adjust.
249         * config/score/score7.c (score7_legitimize_address): Standardize.
250         * config/score/score7.h (score7_legitimize_address): Adjust.
251         * config/sh/sh.c (sh_legitimize_address): New.
252         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
254         * gcc/config/s390/s390.c (legitimize_address): Rename to...
255         (s390_legitimize_address): ... this.
256         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
257         (sparc_legitimize_address): ... this.
258         * gcc/config/i386/i386.c (legitimize_address): Rename to...
259         (ix86_legitimize_address): ... this.
260         * gcc/config/avr/avr.c (legitimize_address): Rename to...
261         (avr_legitimize_address): ... this.
262         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
263         (mn10300_legitimize_address): ... this.
264         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
265         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
266         (alpha_expand_mov): Adjust call.
268         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
269         * config/spu/spu.c (spu_legitimize_address): Likewise.
270         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
271         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
273 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
275         * intl.c (locale_encoding, locale_utf8): New.
276         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
277         * intl.h (locale_encoding, locale_utf8): Declare.
278         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
279         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
280         New.
281         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
282         argument.
283         (pp_tree_identifier): Define to call pp_base_tree_identifier.
284         (pp_base_tree_identifier): Declare as function.
285         (identifier_to_locale): Declare.
286         * Makefile.in (pretty-print.o): Update dependencies.
287         * varasm.c (finish_aliases_1): Use %qE for identifiers in
288         diagnostics.
290 2009-05-04  Richard Guenther  <rguenther@suse.de>
292         PR middle-end/40015
293         * builtins.c (fold_builtin_memory_op): Do not decay to element
294         type if the size matches the whole array.
296 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
298         * expmed.c (synth_mult): When trying out a shift, pass the result
299         of a signed shift.
301 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
303         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
304         (shiftsub1_cost): New.
305         (init_expmed): Compute shiftsub1_cost.
306         (synth_mult): Optimize multiplications by constants of the form
307         -(2^^m-1) for some constant positive integer m.
309 2009-05-03  Richard Guenther  <rguenther@suse.de>
311         PR c/39983
312         * c-typeck.c (array_to_pointer_conversion): Do not built
313         ADDR_EXPRs of arrays of pointer-to-element type.
314         * c-gimplify.c (c_gimplify_expr): Revert change fixing
315         up wrong ADDR_EXPRs after-the-fact.
316         * c-common.c (strict_aliasing_warning): Strip pointer
317         conversions for obtaining the original type.
318         * builtins.c (fold_builtin_memset): Handle array types.
319         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
320         and array types
322 2009-05-03  Richard Guenther  <rguenther@suse.de>
324         PR middle-end/23329
325         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
326         Do not lose casts from array types with unknown extent to array
327         types with known extent.
328         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
329         alias set compatibility.
331 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
333         * flags.h (extra_warnings): Delete.
334         * toplev.c (process_options): Handle Wuninitialized here.
335         * opts.c (extra_warnings): Delete.
336         (set_Wextra): Delete.
337         (common_handle_option): -Wextra can be handled automatically.
338         * c-opts.c (c_common_handle_option): Delete obsolete code.
339         (c_common_post_options): Simplify comment.
340         * common.opt (W): Add Var.
341         (Wextra): Add Var.
342         (Wuninitialized): Initialize to -1.
344 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
345             Richard Guenther  <rguenther@suse.de>
347         * expr.c (get_def_for_expr): New function.
348         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
349         SSA rather than trees.
350         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
351         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
352         
353 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
355         * c-common.c (reswords): Add _Imaginary.
356         * c-common.c (enum rid): Add RID_IMAGINARY.
358 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
360         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
361         Patch by Richard Guenther.
363 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
365         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
366         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
367         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
368         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
369         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
370         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
371         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
372         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
373         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
374         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
375         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
376         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
377         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
378         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
379         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
380         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
381         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
382         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
384 2009-05-02  Richard Guenther  <rguenther@suse.de>
386         PR tree-optimization/39940
387         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
388         doing so.
390 2009-05-02  Richard Guenther  <rguenther@suse.de>
392         PR middle-end/40001
393         * tree-ssa.c (execute_update_addresses_taken): Properly check
394         if we can mark a variable DECL_GIMPLE_REG_P.
395         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
396         back to the end of the function.
397         (is_gimple_reg_type): Remove complex type special casing.
398         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
399         if not optimizing.
401 2009-05-02  Ben Elliston  <bje@au.ibm.com>
403         * doc/collect2.texi (Collect2): Document search path behaviour
404         when configured with --with-ld.
406 2009-05-02  Jan Hubicka  <jh@suse.cz>
408         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
409         parameter; update callers.
410         (coalesce_cost_edge): EH edges are costier because they needs splitting
411         even if not critical and even more costier when there are multiple
412         EH predecestors.
414 2009-05-02  Jan Hubicka  <jh@suse.cz>
416         * except.c (remove_eh_handler_and_replace): Handle updating after
417         removing TRY blocks.
419 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
421         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
423 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
425         * varasm.c: Do not include c-pragma.h.
426         * attribs.c: Do not incude c-common.h.
428 2009-05-01  Michael Matz  <matz@suse.de>
430         * calls.c (initialize_argument_information): Handle SSA names like
431         decls with a non MEM_P DECL_RTL.
433 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
435         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
436         * ipa-utils.c: Likewise.
437         * ipa-type-escape.c: Likewise.
438         * cgraphunit.c Do not include c-common.h.
439         * ipa-pure-const.c: Likewise.
440         * tree-if-conv.c: Likewise.
441         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
442         * ipa-struct-reorg.c: Likewise.
443         * tree-nomudflap.c: Likewise.
444         * tree-ssa-structalias.c: Likewise.
446 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
448         * store-motion.c: Many cleanups to make this pass a first-class
449         citizen instead of an appendix to gcse load motion.  Add TODO list
450         to make this pass faster/cleaner/better.
452         (struct ls_expr): Post gcse.c-split cleanups.
453         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
454         "stores" field to "avail_stores".
455         (pre_ldst_mems): Rename to store_motion_mems.
456         (pre_ldst_table): Rename to store_motion_mems_table.
457         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
458         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
459         (ldst_entry): Rename to st_expr_entry, update users.
460         (free_ldst_entry): Rename to free_st_expr_entry, update users.
461         (free_ldst_mems): Rename to free_store_motion_mems, update users.
462         (enumerate_ldsts): Rename to enumerate_store_motion_mems, update caller.
463         (first_ls_expr): Rename to first_st_expr, update users.
464         (next_ls_expr): Rename to next_st_expr, update users.
465         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
466         fields properly for store motion instead of names inherited from load
467         motion in gcse.c.
468         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
469         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
470         are done with it.
472         (ae_kill): Rename to st_kill, update users.
473         (ae_gen): Rename to st_avloc, update users.
474         (transp): Rename to st_transp, update users.
475         (pre_insert_map): Rename to st_insert_map, update users.
476         (pre_delete_map): Rename to st_delete_map, update users.
477         (insert_store, build_store_vectors, free_store_memory,
478         one_store_motion_pass): Update for abovementioned changes.
480         (gcse_subst_count, gcse_create_count): Remove.
481         (one_store_motion_pass): New statistics counters "n_stores_deleted"
482         and "n_stores_created", local variables.
484         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
485         use for_each_rtx.
487         (regvec, compute_store_table_current_insn): Remove.
488         (reg_set_info, reg_clear_last_set): Remove.
489         (compute_store_table): Use DF caches instead of local dataflow
490         solvers.
492 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
494         * c-objc-common.c (c_tree_printer): Print identifiers with
495         pp_identifier, not pp_string.  Mark "({anonymous})" for
496         translation.
497         * c-pretty-print.c (pp_c_ws_string): New.
498         (pp_c_cv_qualifier, pp_c_type_specifier,
499         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
500         pp_c_storage_class_specifier, pp_c_function_specifier,
501         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
502         pp_c_primary_expression, pp_c_postfix_expression,
503         pp_c_unary_expression, pp_c_shift_expression,
504         pp_c_relational_expression, pp_c_equality_expression,
505         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
506         use pp_string and pp_c_ws_string in place of pp_identifier and
507         pp_c_identifier for non-identifiers.  Mark English strings for
508         translation.
509         * c-pretty-print.h (pp_c_ws_string): Declare.
511 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
512             Roland McGrath <roland@redhat.com>
514         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id
515         support.
516         (ENABLE_LD_BUILDID): New configuration option.
517         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
518         (LINK_BUILDID_SPEC): New macro.
519         (init_spec): If defined, prepend it between LINK_EH_SPEC and
520         link_spec.
521         * doc/install.texi: Document --enable-linker-build-id option.
522         * configure: Rebuild.
523         * config.in: Rebuild.
525 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
527         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
528         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
529         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
530         MIPS_GP_SAVE_AREA_SIZE.
531         * config/mips/mips.c (struct mips_frame_info): Update comment
532         before arg_pointer_offset and hard_frame_pointer_offset.
533         (mips_compute_frame_info): Update diagram before function: to
534         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
535         indicate the position of frame_pointer_rtx with -fstack-protector and
536         to show args_size.  Don't allocate cprestore area for leaf functions
537         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
538         cprestore_size.
539         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
541 2009-04-30  Michael Matz  <matz@suse.de>
543         PR tree-optimization/39955
544         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
546 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
548         * ira.c (setup_cover_and_important_classes):  Use safe macro
549         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
550         directly.
551         * genpreds.c (write_tm_preds_h):  Output suitable definition of
552         REG_CLASS_FOR_CONSTRAINT.
554 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
556         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
557         instead of an int.
558         * bitmap.c (bitmap_descriptor): Likewise.
559         * ggc-common.c (loc_descriptor): Likewise.
560         * varray.c (varray_descriptor): Likewise.
561         * vec.c (vec_descriptor): Likewise.
563 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
565         * Makefile.in (dce.o): Add $(EXCEPT_H).
566         * dce.c: Include except.h and delete redundant vector definitions.
567         (deletable_insn_p): Return false for non-call insns that can throw
568         if DF is running.
570 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
572         * gcse.c (ae_gen): Remove.
573         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
574         and make non-static function to make it available in store-motion.c.
575         Update call sites with search-and-replace.
576         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
577         extract_mentioned_regs, extract_mentioned_regs_helper,
578         find_moveable_store, compute_store_table, load_kills_store, find_loads,
579         store_killed_in_insn, store_killed_after, store_killed_before,
580         build_store_vectors, insert_insn_start_basic_block, insert-store,
581         remove_reachable_equiv_notes, replace_store_insn, delete_store,
582         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
583         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
584         * store-motion.c: ...new file.  Also copy data structures from gcse.c
585         and clean up to remove parts not used by store motion.
586         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
587         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
589 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
591         PR target/38571
592         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
593         when optimizing for size.
595 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
597         * gcse.c (gcse_constant_p): Fix typo in last change.
599 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
601         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
603 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
605         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
607 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
609         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
610         CONST_HIGH_PART result.
612 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
614         * config/avr/avr.c (initial_elimination_offset): Rename to
615         avr_initial_elimination_offset.
616         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
617         change return type to bool.
618         (avr_can_eliminate): New function.
619         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
620         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
621         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
622         * config/avr/avr-protos.h (initial_elimination_offset) : Rename to
623         avr_initial_elimination_offset.
624         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
625         (avr_initial_elimination_offset): Define.
627 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
628             Steven Bosscher  <steven@gcc.gnu.org>
630         PR rtl-optimization/39938
631         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
632         * cfgrtl.c: Include insn-attr.h.
633         (rest_of_pass_free_cfg): New function.
634         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
635         * resource.c (init_resource_info): Remove call to df_analyze.
637 2009-04-29  Richard Guenther  <rguenther@suse.de>
639         PR target/39943
640         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
641         allow conversion to signed integers.
643 2009-04-29  Richard Guenther  <rguenther@suse.de>
645         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
646         shifts of floating point vectors if the shift amount is
647         a constant multiple of the element size.
649 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
650             Michael Matz  <matz@suse.de>
652         PR middle-end/39927
653         PR bootstrap/39929
654         * tree-outof-ssa.c (emit_partition_copy): New function.
655         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
656         insert_part_to_rtx_on_edge): Perform the partition base var
657         copy using emit_partition_copy.
658         (insert_value_copy_on_edge): Convert constants to the right mode.
659         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
660         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
662 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
664         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
665         scan backwards to try to find a constant to initialize it.
667         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
668         insn before the loop_end instruction, don't look past labels.
670 2009-04-29  Richard Guenther  <rguenther@suse.de>
672         PR middle-end/39937
673         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
674         loose type conversions.
675         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
676         stmts only if there are no uses of its definition.
678 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
680         * config/bfin/bfin.h (splitting_loops): Declare.
681         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
682         Reorder bit definitions to be ascending.
683         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
684         * config/bfin/bfin.c (splitting_loops): New variable.
685         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
686         (struct loop_info): Remove members INIT and LOOP_INIT.
687         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
688         the LSETUP sequence.  Allow LC to be loaded from any register, but also
689         add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
690         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
691         set to 1.
692         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
693         of reload_completed.
694         From Jie Zhang:
695         * config/bfin/bfin.md (movsi_insn): Refine constraints.
697 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
699         * Makefile.in (PLUGIN_VERSION_H): New.
700         (OBJS-common): Remove plugin-version.o.
701         (plugin.o): Depend on (PLUGIN_VERSION_H).
702         (plugin-version.o): Remove.
703         * configure: Regenerate
704         * configure.ac: Create plugin-version.h.
705         * gcc-plugin.h (plugin_gcc_version): Remove.
706         (plugin_default_version_check): Change signature.
707         * plugin-version.c: Remove.
708         * plugin.c: Include plugin-version.h.
709         (str_plugin_gcc_version_name): Remove.
710         (try_init_one_plugin): Pass gcc version to plugin_init.
711         (plugin_default_version_check): Both gcc and plugin versions are now
712         arguments.
714 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
715         
716         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
717         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
718         Remove special case testing for last insn of inner loops. Don't fail if
719         the loop ends with a jump, emit an extra nop instead.
721         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
722         DREGS rather than comparing directly.  Remove code that tries to
723         account for latencies.
725 2009-04-29  Richard Guenther  <rguenther@suse.de>
727         PR tree-optimization/39941
728         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
729         eliminating an indirect call.
731 2009-04-29  Richard Guenther  <rguenther@suse.de>
733         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
734         parameter.  Allow invariants as base if !require_lvalue.
735         (verify_gimple_assign_single): Adjust.
737 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
739         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
740         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
741         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3, ssubhi3,
742         ssaddhi3_parts and sssubhi3_parts.
743         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
744         a VEC_SELECT.
745         * config/bfin/bfin.c (bfin_expand_builtin, case BFIN_BUILTIN_CPLX_SQU):
746         Adjust accordingly.
748 2009-04-28  Richard Guenther  <rguenther@suse.de>
750         * tree-vect-loop.c (get_initial_def_for_induction): Use
751         correct types for pointer increment.
753 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
755         * toplev.c (print_version): Update GMP version string calculation.
757 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
759         PR rtl-optimization/39938
760         * resource.c (init_resource_info): Add call to df_analyze.
762 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
764         * config/alpha/alpha.md (usegp): Cast the result of
765         alpha_find_lo_sum_using_gp to enum attr_usegp.
766         * config/alpha/alpha.c (override_options): Remove end-of-structure
767         marker element from cpu_table.  Use array size of cpu_table to handle
768         -mcpu and -mtune options.
769         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
771 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
773         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
774         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
775         tune_32 and tune_64.
776         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
777         support on PowerPC.
778         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
779         * config/rs6000/option-defaults.h: ... here.  New file.
780         (OPT_64, OPT_32): Define.
781         (MASK_64BIT): Define to 0 if not already defined.
782         (OPT_ARCH64, OPT_ARCH32): Define.
783         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
784         and tune_64.
786 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
788         * config/arm/arm.c (arm_override_options): Emit error on using
789         fpa with AAPCS.
791 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
793         PR rtl-optimization/39914
794         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
795         registers for allocnos created from user-defined variables only
796         when not optimizing.
798 2009-04-28  Richard Guenther  <rguenther@suse.de>
800         PR middle-end/39937
801         * fold-const.c (fold_binary): Use distribute_real_division only
802         on float types.
804 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
806         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
807         add hpux-stdint.h to tm_file.
808         (hppa[12]*-*-hpux11*): Ditto.
809         (ia64*-*-hpux*): Ditto.
810         * config/hpux-stdint.h: New.
811         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
812         __STDC_EXT__ for all compiles.
813         * config/pa/pa-hpux.h: Ditto.
814         * config/pa/pa-hpux10.h: Ditto.
815         * config/pa/pa-hpux11.h: Ditto.
817 2009-04-28  Catherine Moore  <clm@codesourcery.com>
819         * debug.h (set_name): Add comment.
821 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
823         PR target/39929
824         * config/darwin.c (machopic_gen_offset): Check
825         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
826         * config/arm/arm.c (require_pic_register): Likewise.
828 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
830         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
831         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
832         m32c_promote_prototypes): Delete.
834 2009-04-28  Michael Matz  <matz@suse.de>
836         PR middle-end/39922
837         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
838         constants.
840 2009-04-28  Richard Guenther  <rguenther@suse.de>
842         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
844 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
846         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
847         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
848         * config/arm/arm-tune.md: Regenerate.
850 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
852         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
853         block if there are complex incoming edges.
854         (sel_merge_blocks): Remove useless assert.
855         (sel_redirect_edge_and_branch): Check that edge was redirected.
856         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
857         (sel_find_rgns): Delete declaration.
858         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
859         the region when it is not a preheader.
861 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
863         PR c/39323
864         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
866 2009-04-28  Richard Guenther  <rguenther@suse.de>
868         * tree.h (SSA_NAME_VALUE): Remove.
869         (struct tree_ssa_name): Remove value_handle member.
870         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
871         array for jump threading.
872         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
873         SSA_NAME_VALUEs.
874         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
875         * tree-flow.h (threadedge_initialize_values): Declare.
876         (threadedge_finalize_values): Likewise.
877         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
878         (SSA_NAME_VALUE): Define.
879         (threadedge_initialize_values): New function.
880         (threadedge_finalize_values): Likewise.
881         * tree-ssa-dom.c (ssa_name_values): New global variable.
882         (SSA_NAME_VALUE): Define.
883         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
885 2009-04-28  Ira Rosen  <irar@il.ibm.com>
887         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
888         Use REPORT_VECTORIZED_LOCATIONS instead 
889         REPORT_VECTORIZED_LOOPS.
890         * tree-vectorizer.c (vect_verbosity_level): Make static.
891         (vect_loop_location): Rename to vect_location.
892         (vect_set_verbosity_level): Update comment.
893         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
894         and vect_location.
895         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
896         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
897         instead REPORT_UNVECTORIZED_LOOPS.
898         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
899         vect_loop_def to vect_external_def and vect_internal_def.
900         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
901         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
902         REPORT_UNVECTORIZED_LOCATIONS.
903         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
904         and vect_used_in_loop and to vect_unused_in_scope and 
905         vect_used_in_scope.
906         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
907         (vect_verbosity_level): Remove declaration.
908         (vect_analyze_operations): Likewise.
909         (vect_analyze_stmt): Declare.
910         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
911         REPORT_UNVECTORIZED_LOCATIONS.
912         (vect_get_loop_niters): Fix indentation.
913         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
914         (vect_analyze_loop_operations): New function.
915         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
916         vect_analyze_operations.
917         (vect_is_simple_reduction): Use new names.
918         (vectorizable_live_operation, vect_transform_loop): Likewise.
919         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
920         specify whether the data references can be a part of interleaving chain.
921         (vect_analyze_data_ref_dependence): Use new names.
922         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
923         (vect_create_addr_base_for_vector_ref): Remove redundant code.
924         * tree-vect-patterns.c (widened_name_p): Use new names.
925         (vect_recog_dot_prod_pattern): Likewise.
926         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
927         (process_use, vect_mark_stmts_to_be_vectorized, 
928         vect_model_simple_cost, vect_model_store_cost,
929         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
930         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
931         vectorizable_operation, vectorizable_type_demotion,
932         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
933         vectorizable_condition): Likewise.
934         (vect_analyze_operations): Split into vect_analyze_loop_operations
935         and ...
936         (vect_analyze_stmt): ... new function.
937         (new_stmt_vec_info): Use new names.
938         (vect_is_simple_use): Use new names and fix comment.
939         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
940         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
942 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
944         PR target/39911
945         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
946         and integer modes for x87 operands.  Do not ICE for unsupported size,
947         generate error instead.  Generate error for unsupported operand types.
948         ['z']: Do not handle HImode memory operands specially.  Warning
949         for floating-point operands.  Fallthru to 'Z' for unsupported operand
950         types.  Do not ICE for unsupported size, generate error instead.
951         (output_387_binary_op): Use %Z to output operands.
952         (output_fp_compare): Ditto.
953         (output_387_reg_move): Ditto.
955 2009-04-28  Ben Elliston  <bje@au.ibm.com>
957         PR c++/35652
958         Revert:
960         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
962         * builtins.c (c_strlen): Do not warn here.
963         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
964         * c-common.c (pointer_int_sum): Take an explicit location.
965         Warn about offsets out of bounds.
966         * c-common.h (pointer_int_sum): Adjust declaration.
968 2009-04-27  Ian Lance Taylor  <iant@google.com>
970         * collect2.c (is_ctor_dtor): Change type of ret field in struct
971         names to symkind.
972         * dce.c (run_fast_df_dce): Change type of old_flags to int.
973         * df-core.c (df_set_flags): Change return type to int.  Change
974         type of old_flags to int.
975         (df_clear_flags): Likewise.
976         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
977         (df_get_conditional_uses): Likewise.
978         * df.h (df_set_flags, df_clear_flags): Update declarations.
979         * dwarf2out.c (struct indirect_string_node): Change type of form
980         field to enum dwarf_form.
981         (AT_string_form): Change return type to enum dwarf_form.
982         * fixed-value.c (fixed_compare): Add cast to enum type.
983         * fwprop.c (update_df): Change 0 to VOIDmode.
984         * gensupport.c: Change 0 to UNKNOWN.
985         * gimple.h (gimple_cond_code): Add cast to enum type.
986         * haifa-sched.c (reemit_notes): Add cast to enum type.
987         * hooks.c (hook_int_void_no_regs): Remove function.
988         * hooks.h (hook_int_void_no_regs): Remove declaration.
989         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
990         * predict.c (combine_predictions_for_insn): Add casts to enum type.
991         * real.c (real_arithmetic): Add cast to enum type.
992         (real_compare): Likewise.
993         * target.h (struct gcc_target): Change return type of
994         branch_target_register_class to enum reg_class.
995         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
996         default_branch_target_register_class.
997         * targhooks.c (default_branch_target_register_class): New function.
998         * targhooks.h (default_branch_target_register_class): Declare.
999         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
1000         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
1001         cast to int.
1002         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
1003         ERROR_MARK.
1004         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
1005         vect_uninitialized_def.  Change 0 to ERROR_MARK.
1006         * tree-vect-stmts.c (supportable_widening_operation): Don't
1007         initialize icode1 and icode2.
1008         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
1009         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
1010         and to STD_C89.
1011         (cmn_err_flag_specs): Change 0 to STD_C89.
1012         (cmn_err_char_table): Likewise.
1013         * config/arm/arm.c (get_arm_condition_code): Change type of code
1014         to enum arm_cond_code.
1015         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
1016         (IWMMXT_BUILTIN2): Likewise.
1017         (neon_builtin_type_bits): Don't define typedef.
1018         (neon_builtin_datum): Change type of bits field to int.
1019         (arm_expand_neon_args): Add cast to enum type.
1020         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
1021         TLS_MODEL_NONE.
1022         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
1023         casts to enum type.
1024         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
1025         MIPS_FP_COND_f.
1026         * config/mips/mips.md (jal_macro): Return enum constant.
1027         (single_insn): Likewise.
1028         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
1029         CODE_FOR_nothing.
1030         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1031         casts to enum type.
1032         * config/s390/s390.c (s390_tune_flags): Change type to int.
1033         (s390_arch_flags): Likewise.
1034         (s390_handle_arch_option): Change flags field of struct pta to int.
1035         * config/s390/s390.h (s390_tune_flags): Update declaration.
1036         (s390_arch_flags): Likewise.
1037         * config/sh/sh.c (prepare_move_operands): Compare
1038         tls_symbolic_operand result with enum constant.
1039         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
1040         (sh_expand_prologue): Add cast to enum type.
1041         (sh_expand_epilogue): Likewise.
1042         (tls_symbolic_operand): Change return type to enum tls_model.
1043         (fpscr_set_from_mem): Add cast to enum type.
1044         (legitimize_pic_address): Compare tls_symbolic_operand result with
1045         enum constant.
1046         (sh_target_reg_class): Change return type to enum reg_class.
1047         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
1048         PROCESSOR_xxx.
1049         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
1050         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
1051         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
1052         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
1053         (delayed_branch, tls_call_delay): Likewise.
1054         (eligible_for_sibcall_delay): Likewise.
1055         (eligible_for_return_delay): Likewise. 
1056         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
1057         (spu_expand_builtin_1): Likewise.
1059         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
1060         for all types of conversions.
1061         (output_init_element): Issue -Wc++-compat warning if needed when
1062         initializing a bitfield with enum type.
1063         * c-parser.c (c_parser_expression): Set original_type to
1064         original_type of right hand operand of comman operator.
1066 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1068         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
1069         grammar nits.
1070         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
1071         * doc/cpp.texi (Standard Predefined Macros)
1072         (Implementation-defined behavior): Likewise.
1073         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
1074         * doc/gimple.texi (GIMPLE Exception Handling)
1075         (@code{GIMPLE_ASSIGN}): Likewise.
1076         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
1077         * doc/invoke.texi (Warning Options, Optimize Options)
1078         (AVR Options, Darwin Options): Likewise.
1079         (Optimize Options): Reformulate -fwhole-program description.
1080         * doc/loop.texi (Lambda): Likewise.
1081         * doc/md.texi (Output Template, Define Constraints)
1082         (Standard Names, Insn Splitting): Likewise.
1083         * doc/options.texi (Option properties): Likewise.
1084         * doc/passes.texi (Tree-SSA passes): Likewise.
1085         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
1086         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
1087         (File Names and DBX): Likewise.
1088         * doc/trouble.texi (Incompatibilities): Likewise.
1090 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1092         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
1093         instruction is correct.
1095 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1097         Allow non-constant arguments to conversion intrinsics.
1098         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
1099         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
1100         * spu.c (print_operand): Handle 'v' and 'w'.
1101         (exp2_immediate_p, spu_gen_exp2): Define.
1102         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
1103         spu_convtf_1): Update parameter descriptions.
1104         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
1105         * constraints.md ('v', 'w'): New.
1106         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
1107         Remove.
1108         (i2f, I2F): New define_mode_attr.
1109         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
1110         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
1111         fixuns_truncv4sfv4si2):  Update to use mode attribute.
1112         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
1113         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
1114         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
1115         patterns for combine.
1117 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
1119         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
1120         (cprop, hoist, pre, store_motion): New debug counters.
1121         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
1122         is not an RTL pass anymore.
1123         (pass_profiling): Remove extern decl for pass removed in 2005.
1124         (pass_gcse, pass_jump_bypass): Remove.
1125         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
1126         to 0 for clean state.
1127         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
1128         * cse.c (gate_handle_cse_after_global_opts,
1129         rest_of_handle_cse_after_global_opts): New functions.
1130         (pass_cse_after_global_opts): New pass, does local CSE.
1131         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
1132         (TV_CPROP): New timevar.
1133         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
1134         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
1135         (gcse_main, recompute_all_luids): Remove.
1136         (compute_hash_table_work): Call max_reg_num instead of reading
1137         max_gcse_regno.
1138         (cprop_jump): Don't set run_jump_opt_after_gcse.
1139         (constprop_register): Always allow to alter jumps.
1140         (cprop_insn): Likewise.
1141         (do_local_cprop): Likewise.
1142         (local_cprop_pass): Likewise.  Return non-zero if something changed.
1143         (cprop): Remove function, fold interesting bits into one_cprop_pass.
1144         (find_implicit_sets): Add note about missed optimization opportunity.
1145         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
1146         pass_rtl_cprop execute function.
1147         Don't bother tracking the pass number, each pass gets its own dumpfile
1148         now anyway.
1149         Always allow to alter jumpsand bypass jumps.
1150         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
1151         will just find no suitable set.
1152         (pre_edge_insert): Fix dumping, this function is for PRE only.
1153         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
1154         pass_rtl_pre execute function.
1155         (hoist_code): Return non-zero if something changed.  Keep track of
1156         substitutions and insertions for statistics gathering similar to PRE.
1157         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
1158         called from the pass_rtl_hoist execute function.  Show pass statistics.
1159         (compute_store_table): Use max_reg_num directly instead of using the
1160         formerly global max_gcse_regno.
1161         (build_store_vectors): Likewise.
1162         (replace_store_insn): Fix dumping.
1163         (store_motion): Rename to ...
1164         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
1165         pass, called from the pass_rtl_store_motion execute function.  Keep
1166         track of substitutions and insertions for statistics gathering similar
1167         to PRE.
1168         (bypass_jumps): Remove, fold interesting bits into ...
1169         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
1170         from the pass_rtl_cprop execute function.
1171         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1172         pass_jump_bypass): Remove.
1173         (gate_handle_gcse, rest_of_handle_gcse): Remove.
1174         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
1175         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
1176         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
1177         (gate_rtl_store_motion, execute_rtl_store_motion,
1178         pass_rtl_store_motion): New.
1179         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
1180         make it clear that -fcse-skip-blocks is a no-op for backward compat.
1181         * passes.c (init_optimization_passes): Remove pass_gcse and
1182         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
1183         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
1184         instead of pass_jump_bypass.
1186 2009-04-27  Richard Guenther  <rguenther@suse.de>
1188         PR middle-end/39928
1189         * gimplify.c (gimplify_expr): If we are required to create
1190         a temporary make sure it ends up as register.
1192 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1194         PR target/39903
1195         * config/i386/i386.c (construct_container): Don't call
1196         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
1197         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
1199 2009-04-27  Michael Matz  <matz@suse.de>
1201         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
1202         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
1203         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
1204         (dump_replaceable_exprs): Take a bitmap.
1205         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
1206         array.
1207         (expand_gimple_basic_block): Likewise.
1208         * tree-ssa-ter.c (struct temp_expr_table_d): Make
1209         replaceable_expressions member a bitmap.
1210         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
1211         (mark_replaceable): Likewise.
1212         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
1213         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
1215 2009-04-27  Richard Guenther  <rguenther@suse.de>
1217         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
1218         (verify_stmts): Dispatch to gimple/type verification code.
1219         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
1220         issue with call argument types.
1222 2009-04-27  Michael Matz  <matz@suse.de>
1224         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
1225         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
1226         to above.
1228 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
1229             Eric Botcazou  <ebotcazou@adacore.com>
1231         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
1232         a label's basic block.
1233         (mark_target_live_regs): Tidy and rework obsolete comments.
1234         Change back DF problem to LIVE.  If a label starts a basic block,
1235         assume that all registers that used to be live then still are.
1236         (init_resource_info): If a label starts a basic block, set its
1237         BLOCK_FOR_INSN accordingly.
1238         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
1240 2009-04-27  Richard Guenther  <rguenther@suse.de>
1242         * tree-flow-inline.h (function_ann): Remove.
1243         (get_function_ann): Likewise.
1244         * tree-dfa.c (create_function_ann): Remove.
1245         * tree-flow.h (struct static_var_ann_d): Remove.
1246         (struct function_ann_d): Likewise.
1247         (union tree_ann_d): Remove fdecl member.
1248         (function_ann_t): Remove.
1249         (function_ann, get_function_ann, create_function_ann): Remove
1250         declarations.
1252 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
1254         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
1256 2009-04-27  Jan Hubicka  <jh@suse.cz>
1258         * ipa-pure-const.c (struct funct_state_d): New fields
1259         state_previously_known, looping_previously_known; remove
1260         state_set_in_source.
1261         (analyze_function): Use new fields.
1262         (propagate): Avoid assumption that state_set_in_source imply
1263         nonlooping.
1265         * tree-ssa-loop-niter.c (finite_loop_p): New function.
1266         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
1267         * cfgloop.h (finite_loop_p): Declare.
1269 2009-04-26  Michael Matz  <matz@suse.de>
1271         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
1273 2009-04-26  Michael Matz  <matz@suse.de>
1275         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
1276         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
1277         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
1278         pass_mark_used_blocks): Remove.
1279         * tree-optimize.c (pass_free_datastructures,
1280         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
1281         * passes.c (init_optimization_passes): Don't call
1282         pass_mark_used_blocks, remove dead code.
1284 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
1286         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
1287         * tree-ssa-live.h (register_ssa_partition): Likewise.
1289 2009-04-26  Michael Matz  <matz@suse.de>
1291         Expand from SSA.
1292         * builtins.c (fold_builtin_next_arg): Handle SSA names.
1293         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
1294         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
1295         SSA names. 
1296         (compare_pairs): Swap cost comparison.
1297         (coalesce_ssa_name): Don't use change_partition_var.
1298         * tree-nrv.c (struct nrv_data): Add modified member.
1299         (finalize_nrv_r): Set it.
1300         (tree_nrv): Use it to update statements.
1301         (pass_nrv): Require PROP_ssa.
1302         * tree-mudflap.c (mf_decl_cache_locals,
1303         mf_build_check_statement_for): Use make_rename_temp.
1304         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
1305         * alias.c (find_base_decl): Handle SSA names.
1306         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
1307         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
1308         * rtl.h (set_reg_attrs_for_parm): Declare.
1309         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
1310         to "optimized", remove unused locals at finish.
1311         (execute_free_datastructures): Make global, call
1312         delete_tree_cfg_annotations.
1313         (execute_free_cfg_annotations): Don't call
1314         delete_tree_cfg_annotations.
1316         * ssaexpand.h: New file.
1317         * expr.c (toplevel): Include ssaexpand.h.
1318         (expand_assignment): Handle SSA names the same as register variables.
1319         (expand_expr_real_1): Expand SSA names.
1320         * cfgexpand.c (toplevel): Include ssaexpand.h.
1321         (SA): New global variable.
1322         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
1323         (SSAVAR): New macro.
1324         (set_rtl): New helper function.
1325         (add_stack_var): Deal with SSA names, use set_rtl.
1326         (expand_one_stack_var_at): Likewise.
1327         (expand_one_stack_var): Deal with SSA names.
1328         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
1329         before unique numbers.
1330         (expand_stack_vars): Use set_rtl.
1331         (expand_one_var): Accept SSA names, add asserts for them, feed them
1332         to above subroutines.
1333         (expand_used_vars): Expand all partitions (without default defs),
1334         then only the local decls (ignoring those expanded already).
1335         (expand_gimple_cond): Remove edges when jumpif() expands an
1336         unconditional jump.
1337         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
1338         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
1339         SSA name.
1340         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
1341         members of SA; deal with PARM_DECL partitions here; expand
1342         all PHI nodes, free tree datastructures and SA.  Commit instructions
1343         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
1344         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
1345         info and statements at start, collect garbage at finish.
1346         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
1347         (VAR_ANN_PARTITION) Remove.
1348         (change_partition_var): Don't declare.
1349         (partition_to_var): Always return SSA names.
1350         (var_to_partition): Only accept SSA names.
1351         (register_ssa_partition): Only check argument.
1352         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
1353         member.
1354         (delete_var_map): Don't free it.
1355         (var_union): Only accept SSA names, simplify.
1356         (partition_view_init): Mark only useful SSA names as used.
1357         (partition_view_fini): Only deal with SSA names.
1358         (change_partition_var): Remove.
1359         (dump_var_map): Use ssa_name instead of partition_to_var member.
1360         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
1361         basic blocks.
1362         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
1363         (struct _elim_graph): New member const_dests; nodes member vector of
1364         ints.
1365         (set_location_for_edge): New static helper.
1366         (create_temp): Remove.
1367         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
1368         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
1369         (new_elim_graph): Allocate const_dests member.
1370         (clean_elim_graph): Truncate const_dests member.
1371         (delete_elim_graph): Free const_dests member.
1372         (elim_graph_size): Adapt to new type of nodes member.
1373         (elim_graph_add_node): Likewise.
1374         (eliminate_name): Likewise.
1375         (eliminate_build): Don't take basic block argument, deal only with
1376         partition numbers, not variables.
1377         (get_temp_reg): New static helper.
1378         (elim_create): Use it, deal with RTL temporaries instead of trees.
1379         (eliminate_phi): Adjust all calls to new signature.
1380         (assign_vars, replace_use_variable, replace_def_variable): Remove.
1381         (rewrite_trees): Only do checking.
1382         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
1383         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
1384         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
1385         contains_tree_r, MAX_STMTS_IN_LATCH,
1386         process_single_block_loop_latch, analyze_edges_for_bb,
1387         perform_edge_inserts): Remove.
1388         (expand_phi_nodes): New global function.
1389         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
1390         functions, initialize new parameter, remember partitions having a
1391         default def.
1392         (finish_out_of_ssa): New global function.
1393         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
1394         don't reset in_ssa_p here, don't disable TER when mudflap.
1395         (pass_del_ssa): Remove.
1396         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
1397         partition members.
1398         (execute_free_datastructures): Declare.
1399         * Makefile.in (SSAEXPAND_H): New variable.
1400         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
1401         * basic-block.h (commit_one_edge_insertion): Declare.
1402         * passes.c (init_optimization_passes): Move pass_nrv and
1403         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
1404         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
1405         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
1406         (redirect_branch_edge): Deal with super block when expanding, split
1407         out jump patching itself into ...
1408         (patch_jump_insn): ... here, new static helper.
1410 2009-04-26  Michael Matz  <matz@suse.de>
1412         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
1413         beyond num_ssa_names.
1414         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
1415         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
1417 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1419         PR inline-asm/39543
1420         * fwprop.c (forward_propagate_asm): New function.
1421         (forward_propagate_and_simplify): Propagate also into __asm, if it
1422         doesn't increase the number of referenced registers.
1424         PR c/39889
1425         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
1427 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1429         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
1430         note_nonlocal_vla_type for nonlocal VLAs.
1431         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
1432         contains_remapped_vars, remap_vla_decls): New functions.
1433         (convert_nonlocal_reference_stmt): If not optimizing, call
1434         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
1435         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
1436         if it wasn't found in var_map.
1437         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
1438         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
1439         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
1440         declare_vars.
1441         * gimplify.c (nonlocal_vlas): New variable.
1442         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
1443         referenced VLAs.
1444         (gimplify_body): Create and destroy nonlocal_vlas.
1446         * dwarf2out.c (loc_descr_plus_const): New function.
1447         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
1448         mem_loc_descriptor, loc_descriptor_from_tree_1,
1449         descr_info_loc, gen_variable_die): Use it.
1451         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
1452         !TREE_STATIC VAR_DECLs.
1453         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
1454         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
1455         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
1456         DECL_BY_REFERENCE is valid.
1457         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
1458         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
1459         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
1460         Copy DECL_BY_REFERENCE.
1461         (struct nesting_copy_body_data): New type.
1462         (nesting_copy_decl): New function.
1463         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
1464         if they have variable length.
1466 2009-04-26  Michael Matz  <matz@suse.de>
1468         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
1469         mark new temporaries for renaming.
1471 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1473         PR c/39581
1474         * c-decl.c (global_bindings_p): Return negative value.
1475         (c_variable_size): New.  Based on variable_size from
1476         stor-layout.c.
1477         (grokdeclarator): Call c_variable_size not variable_size.
1479 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
1481         * config/i386/i386.c (print_operand) ['z']: Fix typo.
1483 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
1485         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
1486         Redefine it to just use mingw/include.
1487         (ASM_SPEC): Rules for -m32 and -m64.
1488         (LINK_SPEC): Use Likewise.
1489         (SPEC_32): New define.
1490         (SPEC_64): Likewise.
1491         (SUB_LINK_SPEC): Likewise.
1492         (MULTILIB_DEFAULTS): New define.
1493         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
1494         Add multilib options.
1495         (MULTILIB_DIRNAMES): Likewise.
1496         (MULTILIB_OSDIRNAMES): Likewise.
1497         (LIBGCC): Likewise.
1498         (INSTALL_LIBGCC): Likewise.
1500 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1502         PR c/39556
1503         * c-tree.h (enum c_inline_static_type): New.
1504         (record_inline_static): Declare.
1505         * c-decl.c (struct c_inline_static, c_inline_statics,
1506         record_inline_static, check_inline_statics): New.
1507         (pop_file_scope): Call check_inline_statics.
1508         (start_decl): Call record_inline_static instead of pedwarning
1509         directly for static in inline function.
1510         * c-typeck.c (build_external_ref): Call record_inline_static
1511         instead of pedwarning directly for static referenced in inline
1512         function.
1514 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
1516         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
1517         not new but only being rescanned.
1518         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
1519         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
1520         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
1521         record_set_info, compute_set, grealloc): Remove.
1522         (recompute_all_luids): New function.
1523         (gcse_main): Don't compute sets, and don't do related memory
1524         allocations/free-ing.  If something changed before the end of the
1525         pass, update LUIDs using recompute_all_luids.
1526         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
1527         (free_gcse_mem): Don't free it either.
1528         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
1529         Use the df insn LUIDs.
1530         (load_killed_in_block): Likewise.
1531         (compute_hash_table_work): Don't compute reg_set_in_block.
1532         (compute_transp): Use DF_REG_DEF_CHAINs.
1533         (local_cprop_pass): Don't use compute_sets and related functions.
1534         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
1535         Use get_max_uid() instead of max_cuid.
1536         (insert_insn_end_basic_block, pre_insert_copy_insn,
1537         update_ld_motion_stores): Don't try to
1538         keep reg_set tables up to date.
1539         (pre_insert_copies): Use df insn LUIDs.
1540         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
1541         (reg_set_info): Don't use extra bitmap argument.
1542         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
1543         information to compute regs_set_in_block.
1544         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
1545         (bypass_jumps): Don't use compute_sets and friends.
1547 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1549         PR testsuite/39710
1550         * opts.c (undocumented_msg): Do not leave blank even with
1551         ENABLE_CHECKING.
1553 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1555         * c-decl.c (build_enumerator): Allow values folding to integer
1556         constants but not integer constant expressions with a pedwarn if
1557         pedantic.
1559 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1561         PR c/39582
1562         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
1563         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
1564         type is an integer constant.
1566 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
1568         PR target/39897
1569         * config/i386/i386.c (print_operand) ['z']: Revert handling of
1570         HImode operands.
1572 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1574         PR c/39564
1575         * c-decl.c (grokdeclarator): Diagnose declarations of functions
1576         with variably modified return type and no storage class
1577         specifiers, except for the case of nested functions.  Distinguish
1578         extern declarations of functions with variably modified return
1579         types from those of objects with variably modified types.
1581 2009-04-25  Jan Hubicka  <jh@suse.cz>
1583         * tree.c (list_equal_p): New function.
1584         * tree.h (list_equal_p): Declare.
1585         * coretypes.h (edge_def, edge, const_edge, basic_block_def
1586         basic_block_def, basic_block, const_basic_block): New.
1587         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
1588         (redirect_eh_edge): New function.
1589         (make_eh_edge_update_phi): EH edges are not abnormal.
1590         * except.c: Include tree-flow.h.
1591         (list_match): New function.
1592         (eh_region_replaceable_by_p): New function.
1593         (replace_region): New function.
1594         (hash_type_list): New function.
1595         (hash_eh_region): New function.
1596         (eh_regions_equal_p): New function.
1597         (merge_peers): New function.
1598         (remove_unreachable_regions): Verify EH tree when checking;
1599         merge peers.
1600         (copy_eh_region_1): New function.
1601         (copy_eh_region): New function.
1602         (push_reachable_handler): New function.
1603         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
1604         regions without label but with live RESX.
1605         * except.h (redirect_eh_edge_to_label): New.
1606         * tree-flow.h (redirect_eh_edge): New.
1607         * coretypes.h (edge_def, edge, const_edge, basic_block_def
1608         basic_block_def, basic_block, const_basic_block): Remove.
1609         * Makefile.in (except.o): Add dependency on tree-flow.h
1610         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
1611         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
1612         Remove.
1614 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
1616         PR bootstrap/39645
1617         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
1618         on the destination of memcpy.
1620 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
1622         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
1623         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
1624         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
1626 2009-04-25  Jan Hubicka  <jh@suse.cz>
1628         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
1629         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
1630         to be reached by different label than left.
1631         (update_eh_edges): Update comment; remove edge_to_remove if possible
1632         and return true if suceeded.
1633         (cleanup_empty_eh): Accept sharing map; handle shared regions.
1634         (cleanup_eh): Compute sharing map.
1635         * except.c (remove_eh_handler_and_replace): Add argument if we should
1636         update regions.
1637         (remove_unreachable_regions): Update for label sharing.
1638         (label_to_region_map): Likewise.
1639         (get_next_region_sharing_label): New function.
1640         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
1641         prev_try pointers.
1642         (remove_eh_handler): Update.
1643         (remove_eh_region_and_replace_by_outer_of): New function.
1644         * except.h (struct eh_region): Add next_region_sharing_label.
1645         (remove_eh_region_and_replace_by_outer_of,
1646         get_next_region_sharing_label): Declare.
1647         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
1649 2009-04-25  Jan Hubicka  <jh@suse.cz>
1651         * tree-cfg.c (split_critical_edges): Split also edges where we can't
1652         insert code even if they are not critical.
1654 2009-04-25  Jan Hubicka  <jh@suse.cz>
1656         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
1657         (gimple_can_remove_branch_p): EH edges won't remove branch by
1658         redirection.
1659         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
1660         updating of non-abnormal EH edges.
1661         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
1662         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
1663         (split_critical_edges): Split also edges where emitting code on them
1664         will lead to splitting later.
1666 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
1667             H.J. Lu  <hongjiu.lu@intel.com>
1669         PR target/39590
1670         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
1671         the configured assembler supports fildq and fistpq mnemonics.
1672         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
1673         * configure: Regenerated.
1674         * config.in: Ditto.
1676         * config/i386/i386.c (print_operand): Handle 'Z'.
1677         ['z']: Remove handling of special fild/fist suffixes.
1678         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
1679         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
1680         suffix of fild insn.
1681         (*floatsi<mode>2_vector_mixed): Ditto.
1682         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
1683         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
1684         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
1685         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
1686         * config/i386/gas.h (GAS_MNEMONICS): Remove.
1688 2009-04-25  Ben Elliston  <bje@au.ibm.com>
1690         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
1691         the source of a set operation.
1693 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
1695         * target.h (struct gcc_target): Add case_values_threshold field.
1696         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
1697         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
1698         * targhooks.c (default_case_values_threshold): New function.
1699         * targhooks.h (default_case_values_threshold): Declare function.
1700         * stmt.c (expand_case): Use case_values_threshold target hook.
1701         * expr.h (case_values_threshold): Remove declartation.
1702         * expr.c (case_values_threshold): Remove function.
1703         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
1705         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
1706         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
1707         (avr_case_values_threshold): Declare as static.
1708         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
1710         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
1711         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
1712         (mn10300_case_values_threshold): New function.
1714 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
1716         * ira.c (setup_cover_and_important_classes): Add enum cast.
1718 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
1720         * genpreds.c (write_enum_constraint_num): Output definition of
1721         CONSTRAINT_NUM_DEFINED_P macro.
1722         * ira.c (setup_cover_and_important_classes): Use
1723         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
1724         
1725 2009-04-24  DJ Delorie  <dj@redhat.com>
1727         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
1728         __SH2A_SINGLE_ONLY__ also.
1730 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
1732         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
1733         (movdf_internal): Ditto.
1734         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
1735         SFmode and DFmode constants.
1736         (ia64_print_operand): Add 'G' format for printing
1737         floating point constants.
1739 2009-04-24  Richard Guenther  <rguenther@suse.de>
1741         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
1742         from unsigned additions.
1744 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
1746         * c-typeck.c (set_init_index): Allow array designators that are
1747         not integer constant expressions with a pedwarn if pedantic.
1749 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1751         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
1752         zero if no overlap in nonzero bits between the operands.
1754 2009-04-24  Ian Lance Taylor  <iant@google.com>
1756         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
1757         (record_dead_and_set_regs): Likewise.
1758         * df.h (struct df_mw_hardreg): Change flags field to int.
1759         (struct df_base_ref): Likewise.
1760         (struct df): Change changeable_flags field to int.
1761         * df-scan.c (df_defs_record): Change clobber_flags to int.
1762         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
1763         constants rather than #define macros.
1764         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
1765         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
1766         (enum dwarf_calling_convention): Likewise.
1767         (enum dwarf_line_number_x_ops): Likewise.
1768         (enum dwarf_call_frame_info): Likewise.
1769         (enum dwarf_source_language): Likewise.
1770         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
1771         (add_calling_convention_attribute): Likewise.
1772         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
1773         (combine_comparisons): Change compcode to int.  Add cast to enum type.
1774         * genrecog.c (maybe_both_true_2): Change c to int.
1775         (write_switch): Likewise.  Add cast to enum type.
1776         * gimplify.c (gimplify_omp_for): Handle return values from
1777         gimplify_expr using MIN rather than bitwise or.
1778         (gimplify_expr): Add cast to enum type.
1779         * ipa-prop.c (update_jump_functions_after_inlining): Change
1780         IPA_BOTTOM to IPA_JF_UNKNOWN.
1781         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
1782         Add casts to enum type.
1783         (setup_cover_and_important_classes): Change cl to int.  Add casts
1784         to enum type.
1785         (setup_class_translate): Change cl and mode to int.
1786         (ira_init_once): Change mode to int.
1787         (free_register_move_costs): Likewise.
1788         (setup_prohibited_mode_move_regs): Add casts to enum type.
1789         * langhooks.c (add_builtin_function_common): Rework assertion that
1790         value fits bitfield.
1791         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
1792         * omega.c (omega_do_elimination): Avoid math on enum types.
1793         * optabs.c (expand_vec_shift_expr): Remove casts to int.
1794         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
1795         int local to handle integral_argment value.
1796         * regmove.c (try_auto_increment): Change PUT_MODE to
1797         PUT_REG_NOTE_KIND.
1798         * reload.c (push_secondary_reload): Add casts to enum type.
1799         (secondary_reload_class, find_valid_class): Likewise.
1800         * reload1.c (emit_input_reload_insns): Likewise.
1801         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
1802         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
1803         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
1804         constant.
1805         * tree.c (build_common_builtin_nodes): Add casts to enum type.
1806         * tree-complex.c (complex_lattice_t): Typedef to int rather than
1807         enum type.
1808         (expand_complex_libcall): Add casts to enum type.
1809         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
1810         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
1811         with ERROR_MARK, not NUM_TREE_CODES.
1812         (vect_create_epilog_for_reduction): Likewise.
1813         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
1814         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
1815         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
1816         enum machine_mode.
1817         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
1818         vect_unused_in_loop.  Change 0 to loop_vect.
1819         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
1820         * var-tracking.c (get_init_value): Change return type to enum
1821         var_init_status.
1822         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
1823         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
1824         arm_fp_model.
1825         (arm_override_options): Add casts to enum type.
1826         (arm_emit_tls_decoration): Likewise.
1827         * config/i386/i386.c (ix86_function_specific_restore): Add casts
1828         to enum type.
1829         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
1830         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
1831         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
1832         enum type.
1833         * config/s390/s390.c (code_for_builtin_64): Change to array of
1834         enum insn_code.
1835         (code_for_builtin_31): Likewise.
1836         (s390_expand_builtin): Change code_for_builtin to enum insn_code
1837         const *.
1838         * config/sparc/sparc.c (sparc_override_options): Change value
1839         field in struct code_model to enum cmodel.  In initializer change
1840         0 to NULL and add cast to enum type.
1842         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
1843         Change all callers.  Issue a -Wc++-compat warning using
1844         lhs_origtype if necessary.
1845         (convert_for_assignment): Issue -Wc++-compat warnings about
1846         invalid conversions to enum type on assignment.
1847         * c-common.h (build_modify_expr): Update declaration.
1849 2009-04-24  Nick Clifton  <nickc@redhat.com>
1851         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
1852         (function_arg_advance): Likewise.
1853         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
1854         5th alternative.
1856 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1858         * config/s390/constraints.md ('I', 'J'): Fix condition.
1860 2009-04-24  Diego Novillo  <dnovillo@google.com>
1862         * gengtype-parse.c (parse_error): Add newline after message.
1864 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
1866         * config/i386/sse.md (avxmodesuffixs): Removed.
1867         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
1868         (*avx_pinsr<ssevecsize>): This.
1870 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1872         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
1873         follow chains of regs with a single definition, and allow expressions
1874         that are function_invariant_p.
1875         (simple_rhs_p): Allow expressions that are function_invariant_p.
1877 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
1879         PR middle-end/39867
1880         * fold-const.c (fold_cond_expr_with_comparison): When folding
1881         > and >= to MAX, make sure the MAX uses the same type as the
1882         comparison's operands.
1884 2009-04-24  Nick Clifton  <nickc@redhat.com>
1886         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
1887         addressing for DImode accesses.
1888         (frv_print_operand_address): Handle PLUS case.
1889         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
1891 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
1893         PR rtl-optimization/39794
1894         * alias.c (canon_true_dependence): Add x_addr argument.
1895         * rtl.h (canon_true_dependence): Adjust prototype.
1896         * cse.c (check_dependence): Adjust canon_true_dependence callers.
1897         * cselib.c (cselib_invalidate_mem): Likewise.
1898         * gcse.c (compute_transp): Likewise.
1899         * dse.c (scan_reads_nospill): Likewise.
1900         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
1901         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
1902         canon_base_addr of the group, plus optional offset.
1903         (struct group_info): Rename canon_base_mem to
1904         canon_base_addr.
1905         (get_group_info): Set canon_base_addr to canon_rtx of base, not
1906         canon_rtx of base_mem.
1908 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
1910         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
1911         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
1913 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1915         * config/spu/spu-builtins.h: Delete file.
1917         * config/spu/spu.h (enum spu_builtin_type): Move here from
1918         spu-builtins.h.
1919         (struct spu_builtin_description): Likewise.  Add GTY marker.
1920         Do not use enum spu_function_code or enum insn_code.
1921         (spu_builtins): Add extern declaration.
1923         * config/spu/spu.c: Do not include "spu-builtins.h".
1924         (enum spu_function_code, enum spu_builtin_type_index,
1925         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
1926         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
1927         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
1928         unsigned_V2DI_type_node): Move here from spu-builtins.h.
1929         (spu_builtin_types): Make static.  Add GTY marker.
1930         (spu_builtins): Add extern declaration with GTY marker.
1931         Include "gt-spu.h".
1933         * config/spu/spu-c.c: Do not include "spu-builtins.h".
1934         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
1935         Check programmatically whether all parameters are scalar.
1937         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
1939 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1941         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
1942         assignment from the constructor either if the target is volatile.
1944 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
1946         * config/arm/arm.md (insv): Do not share operands[0].
1948 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
1950         * config/vxlib-tls.c (active_tls_threads): Delete.
1951         (delete_hook_installed): New.
1952         (tls_delete_hook): Don't delete the delete hook.
1953         (tls_destructor): Delete it here.
1954         (__gthread_set_specific): Adjust installing the delete hook.
1955         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
1956         __gthread_leave_tsd_dtor_context.
1958 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
1960         * c-format.c (gcc_tdiag_char_table): Add support for %E.
1962 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
1964         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
1965         enum type.
1966         (alpha_rtx_costs): Ditto.
1967         (emit_unlikely_jump): Use add_reg_note.
1968         (emit_frame_store_1): Ditto.
1969         (alpha_expand_prologue): Ditto.
1970         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
1971         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
1973 2009-04-23  Nick Clifton  <nickc@redhat.com>
1975         * config/v850/v850.md (epilogue): Remove suppressed code.
1976         (return): Rename to return_simple and remove test of frame size.
1977         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
1978         to gen_return_simple.
1980 2009-04-22  Jing Yu  <jingyu@google.com>
1982         PR testsuite/39781
1983         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1985 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1987         PR C/31499
1988         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
1989         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
1990         value is a VECTOR_CST, the element type is the element type of the
1991         vector.
1993 2009-04-22  DJ Delorie  <dj@redhat.com>
1995         * config/m32c/m32c.h: Update GTY annotations to new syntax.
1997 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
1999         * alias.c (find_base_term): Move around LO_SUM case, so that
2000         CONST falls through into PLUS/MINUS handling.
2002         PR c/39855
2003         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
2004         into 0, use omit_one_operand.
2006 2009-04-23  Ben Elliston  <bje@au.ibm.com>
2008         * config/rs6000/linux-unwind.h (get_regs): Remove type
2009         puns. Change the type of `pc' to an array of unsigned ints and
2010         update all users.  Constify frame24.
2012 2009-04-22  DJ Delorie  <dj@redhat.com>
2014         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
2015         declarations before code.
2016         (current_function_special_page_vector): Likewise.
2017         (m32c_expand_insv): Silence a warning.
2019 2009-04-21  Taras Glek  <tglek@mozilla.com>
2021         * alias.c: Update GTY annotations to new syntax.
2022         * basic-block.h: Likewise.
2023         * bitmap.h: Likewise.
2024         * c-common.h: Likewise.
2025         * c-decl.c: Likewise.
2026         * c-parser.c: Likewise.
2027         * c-pragma.c: Likewise.
2028         * c-tree.h: Likewise.
2029         * cfgloop.h: Likewise.
2030         * cgraph.h: Likewise.
2031         * config/alpha/alpha.c: Likewise.
2032         * config/arm/arm.h: Likewise.
2033         * config/avr/avr.h: Likewise.
2034         * config/bfin/bfin.c: Likewise.
2035         * config/cris/cris.c: Likewise.
2036         * config/darwin.c: Likewise.
2037         * config/frv/frv.c: Likewise.
2038         * config/i386/i386.c: Likewise.
2039         * config/i386/i386.h: Likewise.
2040         * config/i386/winnt.c: Likewise.
2041         * config/ia64/ia64.h: Likewise.
2042         * config/iq2000/iq2000.c: Likewise.
2043         * config/mips/mips.c: Likewise.
2044         * config/mmix/mmix.h: Likewise.
2045         * config/pa/pa.c: Likewise.
2046         * config/pa/pa.h: Likewise.
2047         * config/rs6000/rs6000.c: Likewise.
2048         * config/s390/s390.c: Likewise.
2049         * config/sparc/sparc.c: Likewise.
2050         * config/xtensa/xtensa.c: Likewise.
2051         * cselib.h: Likewise.
2052         * dbxout.c: Likewise.
2053         * dwarf2out.c: Likewise.
2054         * except.c: Likewise.
2055         * except.h: Likewise.
2056         * fixed-value.h: Likewise.
2057         * function.c: Likewise.
2058         * function.h: Likewise.
2059         * gimple.h: Likewise.
2060         * integrate.c: Likewise.
2061         * optabs.c: Likewise.
2062         * output.h: Likewise.
2063         * real.h: Likewise.
2064         * rtl.h: Likewise.
2065         * stringpool.c: Likewise.
2066         * tree-data-ref.c: Likewise.
2067         * tree-flow.h: Likewise.
2068         * tree-scalar-evolution.c: Likewise.
2069         * tree-ssa-address.c: Likewise.
2070         * tree-ssa-alias.h: Likewise.
2071         * tree-ssa-operands.h: Likewise.
2072         * tree.c: Likewise.
2073         * tree.h: Likewise.
2074         * varasm.c: Likewise.
2075         * varray.h: Likewise.
2076         * vec.h: Likewise.
2077         * coretypes.h: Do not define GTY macro if it is already defined.
2078         * doc/gty.texi: Update GTY documentation to new syntax.
2079         * gengtype-lex.l: Enforce attribute-like syntax for GTY
2080         annotations on structs.
2081         * gengtype-parse.c: Likewise.
2083 2009-04-22  Mark Heffernan  <meheff@google.com>
2085         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
2087 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2089         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
2090         where appropriate.
2092 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2094         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
2095         the same as a PLUS without a shift.  Increase the cost of a
2096         CONST_INT in MULT.
2098 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2100         * Makefile.in: Update dependencies.
2101         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
2102         * errors.h: Remove bogus comment about compatibility.
2103         (warning): Update declaration.
2104         * genautomata.c: Update all calls to warning.
2105         * gimple.c: Do not include errors.h. Include toplev.h.
2106         * tree-ssa-structalias.c: Do not include errors.h.
2107         * omega.c: Likewise.
2108         * tree-ssa-reassoc.c: Likewise.
2109         * config/spu/spu-c.c: Likewise.
2110         * config/spu/t-spu-elf: Update dependencies.
2112 2009-04-22  Richard Guenther  <rguenther@suse.de>
2114         PR tree-optimization/39824
2115         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
2116         make sure the types are compatible.
2118 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2120         PR c++/14875
2121         * c-common.c (c_parse_error): Take a token_flags parameter.
2122         Use token_type for the token type instead.
2123         Pass token_flags to cpp_type2name.
2124         * c-common.h (c_parse_error): Update declaration.
2125         * c-parser.c (c_parser_error): Pass 0 as token flags.
2127 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
2129         PR rtl-optimization/39580
2130         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
2131         
2132 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2134         * function.c (expand_function_end): Do not emit a jump to the "naked"
2135         return label for fall-through returns.
2136         * except.c (sjlj_emit_function_exit): Always place the call to the
2137         unregister function at the location installed by expand_function_end.
2139 2009-04-22  Richard Guenther  <rguenther@suse.de>
2141         PR tree-optimization/39845
2142         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
2143         (gen_inbound_check): Likewise.
2145 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2147         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
2148         padding for PPC.
2149         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
2150         * config/vxlib.c (__gthread_once): Add race guard for PPC.
2152 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2154         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
2155         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
2156         shift counts to avoid out-of-bounds array accesses.
2158 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2160         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
2161         (Pmode): Move above.
2163 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
2165         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
2166         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
2167         GET_CODE macro.  Use IN_RANGE macro where appropriate.
2168         * config/alpha/alpha.h: Ditto.
2169         * config/alpha/alpha.md: Ditto.
2170         * config/alpha/constraints.md: Ditto.
2171         * config/alpha/predicates.md: Ditto.
2172         
2173 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2175         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
2176         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2177         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2178         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2179         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2180         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2181         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2182         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2183         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2184         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2185         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2186         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2187         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2188         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2189         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2190         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2191         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2192         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2193         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2194         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2195         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2196         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2197         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2198         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2199         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2200         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2201         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2203 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2205         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
2206         references from comments.
2207         * cfgbuild.c: (count_basic_blocks): Delete.
2208         (find_basic_blocks_1): Delete.
2209         (find_basic_blocks): Delete.
2210         * except.c (finish_eh_generation): Make static.  Move comment from
2211         except.h here.  Remove find_basic_blocks references from comments.
2212         * except.h (finish_eh_generation): Delete.
2213         * basic-block.h (find_basic_blocks): Delete.
2214         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
2216 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2218         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
2219         (sdbout_parms):  Likewise.
2221 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2223         * config/sh/sh.c (prepare_cbranch_operands): Use
2224         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
2225         (expand_cbranchdi4): Likewise.
2226         (from_compare): Add cast to enum type.
2227         (expand_cbranchsi4): Use add_reg_note.
2228         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
2229         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
2230         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
2231         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2232         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
2233         instead of CODE_FOR_nothing.
2234         (cbranchdi4): Likewise.  Fix the order of arguments for
2235         gen_rtx_fmt_ee.
2236         (push_fpscr): Use add_reg_note.
2237         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
2238         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
2239         
2240 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
2242         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
2243         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2244         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2245         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
2246         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
2247         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
2248         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
2249         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
2250         config/alpha/x-vms, config/arc/t-arc,
2251         config/arm/README-interworking, config/arm/arm-c.c,
2252         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
2253         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
2254         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
2255         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
2256         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
2257         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
2258         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
2259         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
2260         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
2261         config/cris/t-elfmulti, config/crx/t-crx,
2262         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
2263         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
2264         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
2265         config/h8300/t-h8300, config/i386/athlon.md,
2266         config/i386/darwin-libgcc.10.4.ver,
2267         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
2268         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
2269         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
2270         config/i386/t-linux64, config/i386/t-nwld,
2271         config/i386/t-rtems-i386, config/i386/t-sol2-10,
2272         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
2273         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
2274         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
2275         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
2276         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
2277         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
2278         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
2279         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
2280         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
2281         config/m68k/t-uclinux, config/mcore/t-mcore,
2282         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
2283         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
2284         config/mips/crtn.asm, config/mips/irix-crti.asm,
2285         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
2286         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
2287         config/mips/mips-fixed.md, config/mips/sb1.md,
2288         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
2289         config/mips/t-iris6, config/mips/t-isa3264,
2290         config/mips/t-libgcc-mips16, config/mips/t-linux64,
2291         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
2292         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
2293         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
2294         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
2295         config/mn10300/t-linux, config/mn10300/t-mn10300,
2296         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
2297         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
2298         config/picochip/libgccExtras/clzsi2.asm,
2299         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
2300         config/rs6000/darwin-libgcc.10.4.ver,
2301         config/rs6000/darwin-libgcc.10.5.ver,
2302         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
2303         config/rs6000/t-aix43, config/rs6000/t-aix52,
2304         config/rs6000/t-darwin, config/rs6000/t-fprules,
2305         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
2306         config/rs6000/t-lynx, config/rs6000/t-netbsd,
2307         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
2308         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
2309         config/rs6000/t-rtems, config/rs6000/t-spe,
2310         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
2311         config/score/t-score-elf, config/sh/divcost-analysis,
2312         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
2313         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
2314         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
2315         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
2316         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
2317         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
2318         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
2319         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
2320         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
2321         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
2322         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
2323         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
2324         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
2325         limitx.h, version.c, xcoff.h: Add copyright and license notices.
2326         * config/h8300/genmova.sh: Include copyright and license notices
2327         in generated output.
2328         * config/h8300/mova.md: Regenerate.
2329         * doc/install.texi2html: Include word "Copyright" in copyright
2330         notice and use name "Free Software Foundation, Inc.".
2331         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2332         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2333         ChangeLog-2007, ChangeLog-2008: Correct dates.
2335 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
2337         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
2338         NE_EXPR operations as well.
2339         * c-parser.c (c_parser_condition): Do not set location information on
2340         the condition.
2341         (c_parser_conditional_expression): Likewise.
2342         (c_parser_binary_expression): Set location information on operators.
2343         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
2344         TRUTH_NOT_EXPR has been folded.
2345         * fold-const.c (fold_truth_not_expr): Copy location information from
2346         the incoming expression to the outgoing one.
2347         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
2348         recursive calls on the LHS of the operator but pass that of the
2349         operator to recursive calls on the RHS of the operator.  Set it
2350         on the COND_EXPR.
2351         (shortcut_cond_expr): Set the locus of the operator on the second
2352         COND_EXPR and that of the expression on the first in degenerate cases.
2353         Pass the locus of the expression to calls to shortcut_cond_r.
2354         Set the locus of the 'then' block on the associated jump, if any.
2355         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
2356         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
2357         expression to call to gimplify_boolean_expr.
2359 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
2361         * config.gcc: Add additional configuration for
2362         i686-w64-mingw* and x86_64-w64-mingw* triplet.
2363         * config/i386/mingw-w64.h: New mingw-w64 specific header.
2364         (CPP_SPEC): Redefine for allowing -municode option.
2365         (STARTFILE_SPEC): Likewise.
2366         * config/i386/t-mingw-w64: New.
2367         * config/i386/mingw-w64.opt: New.
2368         (municode): Add new target option.
2369         * doc/invoke.texi (municode): Add documentation for new option.
2371 2009-04-21  Ian Lance Taylor  <iant@google.com>
2373         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2374         Correct test for number of arguments.
2375         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
2377 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
2379         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
2380         argument of emit_library_call.
2382 2009-04-21  Richard Guenther  <rguenther@suse.de>
2384         PR middle-end/39829
2385         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
2386         inside VIEW_CONVERT_EXPRs.
2388 2009-04-21  Martin Jambor  <mjambor@suse.cz>
2390         * tree-switch-conversion.c (build_constructors): Split a long line.
2391         (constructor_contains_same_values_p): New function.
2392         (build_one_array): Create assigns of constants if possible, do not
2393         call mark_sym_for_renaming, call update_stmt.
2394         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
2395         make_rename_temp.  Do not call mark_symbols_for_renaming, call
2396         update_stmt.
2397         (gen_def_assigns): Do not call mark_symbols_for_renaming or
2398         find_new_referenced_vars, call update_stmt.
2399         (gen_inbound_check): Use create_tmp_var and create ssa names manually
2400         instead of calling make_rename_temp.  Do not call
2401         find_new_referenced_vars or mark_symbols_for_renaming, call
2402         update_stmt.
2404 2009-04-21  Richard Guenther  <rguenther@suse.de>
2406         PR tree-optimization/39827
2407         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
2408         (tree_ssa_phiprop): Pass the correct array size.
2410 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
2412         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
2414 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2416         PR 16202
2417         * c-typeck.c (lvalue_p): Move declaration ...
2418         * c-common.h (lvalue_p): ... to here.
2419         * c-common.c (candidate_equal_p): New.
2420         (add_tlist): Use it.
2421         (merge_tlist): Use it.
2422         (warn_for_collisions_1): Likewise.
2423         (warning_candidate_p): Accept more candidates.
2424         (verify_tree): A warning candidate can be an expression. Use
2425         candidate_equal_p.
2427 2009-04-21  Ben Elliston  <bje@au.ibm.com>
2429         PR target/5267
2430         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2431         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
2432         options.  Remove -mcall-solaris documentation.
2434 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2436         PR c++/13358
2437         * doc/invoke.texi (-Wlong-long): Update description.
2438         * c-lex (interpret_integer): Only warn if there was no previous
2439         overflow and -Wlong-long is enabled.
2440         * c-decl.c (declspecs_add_type): Drop redundant flags.
2441         * c.opt (Wlong-long): Init to -1.
2442         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
2443         and front-end warn_long_long. Wlong-long only depends on other
2444         flags if it is uninitialized.
2445         * c-parser.c (disable_extension_diagnostics): warn_long_long is
2446         the same for CPP and FE.
2447         (restore_extension_diagnostics): Likewise.
2449 2009-04-20  Ian Lance Taylor  <iant@google.com>
2451         Fix enum conversions which are invalid in C++:
2452         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
2453         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
2454         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
2455         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
2456         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
2457         (dbxout_parms): Likewise.
2458         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
2459         (df_clear_flags): Likewise.
2460         * df-problems.c (df_rd_bb_local_compute_process_def): Change
2461         top_flag parameter to int.
2462         (df_chain_create_bb_process_use): Likewise.
2463         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
2464         Remove cast.
2465         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
2466         (df_ref_create_structure, df_def_record_1): Likewise.
2467         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
2468         (df_notes_rescan): Change 0 to VOIDmode in function call.
2469         (df_get_call_refs, df_insn_refs_collect): Likewise.
2470         (df_bb_regs_collect): Likewise.
2471         (df_entry_block_defs_collect): Likewise.
2472         (df_exit_block_uses_collect): Likewise.
2473         * df.h: Update declarations.
2474         * double-int.c (double_int_divmod): Add cast to enum type.
2475         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
2476         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
2477         (based_loc_descr): Likewise.
2478         (loc_descriptor_from_tree_1): Change first_op and second_op to
2479         enum dwarf_location_atom.  Add cast to enum type.
2480         * expmed.c (init_expmed): Change 0 to SET in function call.
2481         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
2482         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
2483         (do_store_flag): Likewise.
2484         * fixed-value.h (struct fixed_value): Change mode to enum
2485         machine_mode.
2486         * function.c (assign_parms): Change 0 to VOIDmode in function call.
2487         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
2488         function call.
2489         (insert_insn_decl, insert_decl, insert_state): Likewise.
2490         (automata_list_finish): Likewise.
2491         * genrecog.c (process_define_predicate): Add cast to enum type.
2492         * gensupport.c (init_predicate_table): Add cast to enum type.
2493         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
2494         function call.
2495         (gimple_build_call_1, gimple_build_label): Likewise.
2496         (gimple_build_goto, gimple_build_asm_1): Likewise.
2497         (gimple_build_switch_1, gimple_build_cdt): Likewise.
2498         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
2499         (enum fallback): Rename from enum fallback_t.
2500         (fallback_t): Typedef as int.
2501         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
2502         GSI_SAME_STMT in function call.
2503         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
2504         enum type.
2505         (setup_reg_class_relations): Likewise.
2506         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
2507         (setup_prohibited_class_mode_regs): Add cast to enum type.
2508         (setup_prohibited_mode_move_regs): Likewise.
2509         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
2510         (record_address_regs): Change i to enum reg_class.
2511         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
2512         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
2513         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
2514         (GET_MODE_2XWIDER_MODE): Likewise.
2515         (GET_CLASS_NARROWEST_MODE): Likewise.
2516         * omp-low.c (expand_omp_for): Add cast to enum type.
2517         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
2518         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
2519         * postreload.c (reload_cse_simplify_operands): Change rclass local
2520         to enum reg_class.
2521         * predict.c (combine_predictions_for_insn): Change best_predictor
2522         and predictor to enum br_predictor.
2523         (combine_predictions_for_bb): Likewise.
2524         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
2525         use SET_PREDICT_EXPR_OUTCOME.
2526         * real.c (real_arithmetic): Change icode to code in function call.
2527         * reginfo.c (init_move_cost): Add casts to enum type.
2528         (init_reg_sets_1, init_fake_stack_mems): Likewise.
2529         * regmove.c (regclass_compatible_p): Change class0 and class1 to
2530         enum reg_class.
2531         * reload.c (find_valid_class): Add casts to enum type.
2532         (push_reload): Change 0 to NO_REGS in function call.
2533         (find_reloads): Change this_alternative to array of enum
2534         reg_class.  Remove some now-unnecessary casts.
2535         (make_memloc): Change 0 to VOIDmode in function call.
2536         * reload1.c (reload): Change 0 to VOIDmode in function call.
2537         (eliminate_regs_1, elimination_effects): Likewise.
2538         (eliminate_regs_in_insn): Likewise.
2539         (emit_input_reload_insns): Add cast to enum type.
2540         (delete_output_reload): Change 0 to VOIDmode in function call.
2541         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
2542         to enum type in function call.
2543         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
2544         (SET_PREDICT_EXPR_OUTCOME): Define.
2545         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
2546         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
2547         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
2548         (dump_function): Likewise.
2549         * tree-dump.h: Update declarations.
2550         * tree-pass.h: Update declarations.
2551         * varasm.c (assemble_integer): Change mclass to enum mode_class.
2552         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
2553         enum type.
2554         (arm_rtx_costs_1): Correct parenthesization.
2555         (arm_rtx_costs): Add casts to enum type.
2556         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
2557         (vfp_emit_fstmd): Use add_rg_note.
2558         (emit_multi_reg_push, emit_sfm): Likewise.
2559         (thumb_set_frame_pointer): Likewise.
2560         (arm_expand_prologue): Likewise.
2561         (arm_regno_class): Change return type to enum reg_class.
2562         (thumb1_expand_prologue): Use add_reg_note.
2563         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
2564         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
2565         in function call.
2566         * config/arm/gentune.sh: Add cast to enum type.
2567         * config/arm/arm-tune.md: Rebuild.
2568         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
2569         (ix86_split_fp_branch, predict_jump): Likewise.
2570         (ix86_expand_multi_arg_builtin): Change sub_code from enum
2571         insn_code to enum rtx_code.
2572         (ix86_builtin_vectorized_function): Add cast to enum type.
2573         * config/i386/i386.md (truncdfsf2): Change slot to enum
2574         ix86_stack_slot.
2575         (truncxf<mode>2, isinf<mode>2): Likewise.
2576         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
2577         enum type.
2578         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
2579         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
2580         (insert_bundle_state): Change 1 to INSERT in function call.
2581         (ia64_add_bundle_selector_before): Likewise.
2582         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
2583         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
2584         (restore_stack_nonlocal): Likewise.
2585         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
2586         function call.
2587         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
2588         function call.
2589         (mips_rtx_costs): Likewise.
2590         (mips_override_options): Add casts to enum type.
2591         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
2592         in function call.
2593         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
2594         (store_reg, set_reg_plus_d): Likewise.
2595         (hppa_expand_prologue, hppa_profile_hook): Likewise.
2596         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2597         cast to enum type.
2598         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
2599         function call.
2600         (emit_unlikely_jump): Use add_reg_note.
2601         (rs6000_emit_allocate_stack): Likewise.
2602         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
2603         (output_toc): Change 1 to INSERT in function call.
2604         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
2605         (rs6000_initialize_trampoline): Likewise.
2606         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
2607         function call.
2608         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
2609         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
2610         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
2611         (save_gprs): Use add_reg_note.
2612         (s390_emit_prologue): Likewise.
2613         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2614         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
2615         (sparc_fold_builtin): Add cast to enum type.
2616         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
2617         enum insn_code.
2618         (spu_expand_prologue): Use add_reg_note.
2619         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
2621 2009-04-20  Ian Lance Taylor  <iant@google.com>
2623         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
2624         (c_parser_postfix_expression_after_primary): Get VEC for list of
2625         arguments.  Get original types of arguments.  Call
2626         build_function_call_vec.
2627         (cached_expr_list_1, cached_expr_list_2): New static variables.
2628         (c_parser_expr_list): Change return type to VEC *.  Add
2629         p_orig_types parameter.  Change all callers.
2630         (c_parser_release_expr): New static function.
2631         (c_parser_vec_to_tree_list): New static function.
2632         * c-typeck.c (build_function_call): Rewrite to build a VEC and
2633         call build_function_call_vec.
2634         (build_function_call_vec): New function, based on old
2635         build_function_call.
2636         (convert_arguments): Remove nargs and argarray parameters.  Change
2637         values to a VEC.  Add origtypes parameter.
2638         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
2639         (convert_for_assignment): Add origtype parameter.  Change all
2640         callers.  If warn_cxx_compat, check for conversion to an enum
2641         type when calling a function.
2642         (store_init_value): Add origtype parameter.  Change all callers.
2643         (digest_init): Likewise.
2644         (struct init_node): Add origtype field.
2645         (add_pending_init): Add origtype parameter.  Change all callers.
2646         (output_init_element): Likewise.
2647         (output_pending_init_elements): Pass origtype from init_node to
2648         output_init_element.
2649         (process_init_element): Pass origtype from c_expr to
2650         output_init_element.
2651         (c_finish_return): Add origtype parameter.  Change all callers.
2652         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
2653         caller.
2654         (sync_resolve_params): Likewise.
2655         (sync_resolve_return): Change params to first_param.  Change caller.
2656         (resolve_overloaded_builtins): Change params to VEC *.  Change
2657         callers.  Save first parameter around call to build_function_call_vec.
2658         * c-decl.c (finish_decl): Add origtype parameter.  Change all
2659         callers.  Call build_function_call_vec rather than
2660         build_function_call for cleanup.
2661         * c-tree.h: Update declarations.
2662         * c-common.h: Update declarations.
2663         * stub-objc.c (objc_rewrite_function_call): Change parameter from
2664         params to first_param.
2665         * target.h (struct gcc_target): Change resolve_overloaded_builtin
2666         params parameter from tree to void *.
2667         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2668         Change arglist parameter to have type void *, and to be a pointer
2669         to a VEC.
2670         * config/rs6000/rs6000-protos.h
2671         (altivec_resolve_overloaded_builtin): Update declaration.
2672         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
2673         fnargs parameter to have type void *, and to be a pointer to a
2674         VEC.  Call build_function_call_vec instead of
2675         build_function_call.
2676         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
2678 2009-04-20  Joey Ye  <joey.ye@intel.com>
2679             Xuepeng Guo  <xuepeng.guo@intel.com>
2680             H.J. Lu  <hongjiu.lu@intel.com>
2682         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
2684         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
2685         (IX86_LEA_PRIORITY): Likewise.
2686         (distance_non_agu_define): New function.
2687         (distance_agu_use): Likewise.
2688         (ix86_lea_for_add_ok): Likewise.
2689         (ix86_dep_by_shift_count): Likewise.
2691         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
2692         should split for LEA.
2694         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
2695         function.
2696         (ix86_dep_by_shift_count): Likewise.
2698 2009-04-20  Richard Guenther  <rguenther@suse.de>
2700         * expr.c (handled_component_p): Move ...
2701         * tree.h (handled_component_p): ... here.
2702         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
2703         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
2704         and REALPART_EXPR to be in one group.
2706 2009-04-20  Richard Guenther  <rguenther@suse.de>
2708         * basic-block.h (get_all_dominated_blocks): Declare.
2709         * dominance.c (get_all_dominated_blocks): New function.
2710         * tree-cfg.c (get_all_dominated_blocks): Remove.
2711         (remove_edge_and_dominated_blocks): Adjust.
2712         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
2713         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
2714         instead of recursing.
2716 2009-04-20  Doug Kwan  <dougkwan@google.com>
2718         * cgraph.h (cgraph_node_ptr): New type for vector functions.
2719         (struct cgraph_node_set_def): New type.
2720         (cgraph_node_set) New type. Also declare vector functions.
2721         (struct cgraph_node_set_element_def): New type.
2722         (cgraph_node_set_element): Ditto.
2723         (cgraph_node_set_iterator): New iterator type.
2724         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
2725         cgraph_node_set_remove, dump_cgraph_node_set,
2726         debug_cgraph_node_set): New prototypes.
2727         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
2728         cgraph_node_set_size): New inlines.
2729         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
2730         including cgraph.h.
2731         (struct ipa_opt_pass): Add struct cgraph_node_set_def
2732         argument to function 'write_summary'.
2733         * ipa.c: Include ggc.h.
2734         (hash_cgraph_node_set_element,
2735         eq_cgraph_node_set_element, cgraph_node_set_new,
2736         cgraph_node_set_add, cgraph_node_set_remove,
2737         cgraph_node_set_find, dump_cgraph_node_set,
2738         debug_cgraph_node_set): New functions.
2739         * Makefile.in (ipa.o): Add dependency on GGC_H.
2741 2009-04-20  Ira Rosen  <irar@il.ibm.com>
2743         PR tree-optimization/39675
2744         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
2745         check of the return code of vect_schedule_slp. Check that
2746         stmt_vec_info still exists for the statement, before checking its
2747         vectorization type.
2749 2009-04-20  Michael Matz  <matz@suse.de>
2751         * Makefile.in (generated_files): Take out $(simple_generated_c).
2753 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
2755         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
2756         (UINTPTR_TYPE):  Likewise.
2758 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
2760         PR c/37481
2761         * c-typeck.c (digest_init): Check for initializing an array with a
2762         string literal.
2764 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
2766         PR c/19771
2767         * c-semantics.c (pop_stmt_list): Propagate
2768         STATEMENT_LIST_HAS_LABEL to parent statement list.
2770 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
2772         * config/mips/mips.h (mips_tune_attr): New macro.
2773         * config/mips/mips.md (cpu): Use it.
2775 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
2777         PR c/38243
2778         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
2779         declaring a tag.
2781 2009-04-19  Diego Novillo  <dnovillo@google.com>
2783         * toplev.c (compile_file): Move call to coverage_finish ...
2784         * cgraphunit.c (ipa_passes): ... here.
2785         Call cgraph_process_new_functions.
2786         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
2787         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
2789 2009-04-19  Jan Hubicka  <jh@suse.cz>
2791         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
2792         cfun.
2793         (dump_cgraph_node): Dump can throw external flag.
2794         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
2796 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2798         PR c/32061
2799         PR c++/36954
2800         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
2801         * common.opt (Wlogical-op): Move from here...
2802         * c.opt (Wlogical-op): ... to here.
2803         * c-typeck.c (parser_build_binary_op): Update call to
2804         warn_logical_operator.
2805         * c-opts.c (c_common_post_options): Enable warn_logical_op with
2806         extra_warnings.
2807         * c-common.c (warn_logical_op): Update.
2808         * c-common.h (warn_logical_op): Update declaration.
2810 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2812         * tree.c (protected_set_expr_location): Fix formatting.
2814 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
2816         PR c/27676
2817         * c-typeck.c (readonly_warning): new.
2818         (build_unary_op, build_modify_expr): Use readonly_warning for
2819         storing into something readonly but not const-qualified.
2821 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
2823         PR c/22367
2824         * c-typeck.c (build_unary_op): Check for taking address of
2825         expression of type void.
2827 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
2829         PR c/35210
2830         * c-typeck.c (build_function_call): Check for calling a function
2831         with qualified void return types.  Call require_complete_type when
2832         generating a trap.
2834 2009-04-18  Jan Hubicka  <jh@suse.cz>
2836         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
2837         Set nothrow flag.
2838         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
2839         can_throw_external flag.
2840         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
2841         * ipa-pure-const.c (ignore_edge): New function.
2842         (propagate): Compute order for NOTHROW computation; set NOTHROWs
2843         only over can_throw_external edges.
2844         (local_pure_const): Add nothrow flag.
2845         * ipa-utils.c (searchc): Add ignore_edge callback.
2846         (ipa_utils_reduced_inorder): Add ignore_edge callback.
2847         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
2848         (set_nothrow_function_flags): Update cgraph.
2849         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
2851 2009-04-18  Richard Guenther  <rguenther@suse.de>
2853         PR middle-end/39804
2854         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
2855         (fold_stmt): ... this and ...
2856         (fold_stmt_inplace): ... this.
2857         (fold_stmt_1): Fold references in calls and asms.
2858         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
2860 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
2862         * tree-vrp.c (ssa_name_nonzero_p): Remove.
2863         * tree.h: Remove the prototype for ssa_name_nonzero_p.
2865 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
2867         * tree.c (function_args_count): Remove.
2868         * tree.h: Remove the prototype for function_args_count.
2870 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
2872         * tree-iterator.c (expr_only): Remove.
2873         * tree.h: Remove the prototype for expr_only.
2875 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
2877         * reginfo.c (cannot_change_mode_set_regs): Remove.
2878         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
2880 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
2882         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
2883         whether operands 0 and 1 overlaps.
2885 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2887         PR middle-end/36902
2888         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
2889         pointer. Use warning_at instead of warning.
2890         (search_for_addr_array): Likewise.
2891         (check_array_bounds): Likewise.
2892         (check_all_array_refs): Check that the incoming edge is not in the
2893         list of edges to be removed.
2894         (check_all_array_refs): Avoid the temporal pointer.
2895         (vrp_visit_cond_stmt): Fix typo.
2896         (simplify_switch_using_ranges): Handle the case where the switch
2897         index is an integer constant.
2899 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
2901         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
2903 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
2905         * doc/extend.texi, doc/invoke.texi: Fix typos.
2907 2009-04-17  Cary Coutant  <ccoutant@google.com>
2909         * tree-flow-inline.h (get_lineno): Fix inverted test.
2911 2009-04-17  Diego Novillo  <dnovillo@google.com>
2913         * tree-ssa-pre.c (create_expression_by_pieces): Remove
2914         assertion for AVAIL_OUT.
2916 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
2918         PR target/38627
2919         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
2920         * config/sh/linux-atomic.asm: Likewise.
2922 2009-04-17  Diego Novillo  <dnovillo@google.com>
2924         * except.c (debug_eh_tree): New.
2925         (struct eh_region, struct eh_status): Move ...
2926         * except.h: ... here.
2927         (add_type_for_runtime): Declare extern.
2928         (lookup_type_for_runtime): Likewise.
2929         (debug_eh_tree): Declare.
2930         * Makefile.in (GTFILES): List except.h before except.c
2932 2009-04-17  Diego Novillo  <dnovillo@google.com>
2934         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
2935         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
2936         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
2937         (find_vars_r): ... here.
2938         * tree-flow.h (find_referenced_vars_in): Declare.
2939         * tree-ssa-pre.c (create_expression_by_pieces): Assert
2940         that AVAIL_OUT exists for BLOCK.
2941         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
2942         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
2943         (tree-parloops.o): Likewise.
2945 2009-04-17  Simon Baldwin  <simonb@google.com>
2947         * toplev.c (default_tree_printer): Add handling for %E format.
2949 2009-04-17  Diego Novillo  <dnovillo@google.com>
2951         * tree-pretty-print.c (dump_generic_node): Add break after
2952         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
2953         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
2954         FUNCTION_TYPE together.  Call print_struct_decl when printing
2955         structures and TDF_SLIM is not given.
2956         (print_struct_decl): Fix logic for detecting recursion.
2958 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
2960         PR 31567
2961         * gcc.c (create_at_file): New.
2962         (compile_input_file_p): New.
2963         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
2964         * main.c (main): Update call to toplev_main.
2965         * toplev.c (toplev_main): Change signature. Call expandargv.
2966         * toplev.h (toplev_main): Change signature.
2968 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
2970         * dwarf2out.c (field_byte_offset): Use the type size as the field size
2971         if the latter is not constant.
2973 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
2975         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
2977 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
2979         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
2980         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
2982 2009-04-17  Richard Guenther  <rguenther@suse.de>
2984         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2985         Handle component references view-converting an invariant address.
2987 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
2989         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
2990         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
2991         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
2992         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
2993         Use @deftypevr rather than @deftypevar.
2995 2009-04-17  Richard Guenther  <rguenther@suse.de>
2997         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
2998         (get_prop_source_stmt): Likewise.
2999         (can_propagate_from): Likewise.
3001 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
3003         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
3004         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
3005         (--with-multilib-list): Add default value.
3006         * configure: Regenerate.
3007         * Makefile.in (TM_ENDIAN_CONFIG): Define.
3008         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
3009         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
3010         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
3011         Don't add default cpu to multilib list unnecessarily, but do enable
3012         the relevant compiler option..
3013         Add support for --with-multilib-list=<blank> and
3014         --with-multilib-list=!<somelib> to supress unwanted multilibs.
3015         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
3016         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
3017         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
3018         TM_MULTILIB_CONFIG.
3019         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
3020         (MULTILIB_OSDIRNAMES): New variable.
3021         * config/sh/t-1e: Delete file.
3022         * config/sh/t-mlib-sh1: Delete file.
3023         * config/sh/t-mlib-sh2: Delete file.
3024         * config/sh/t-mlib-sh2a: Delete file.
3025         * config/sh/t-mlib-sh2a-nofpu: Delete file.
3026         * config/sh/t-mlib-sh2a-single: Delete file.
3027         * config/sh/t-mlib-sh2a-single-only: Delete file.
3028         * config/sh/t-mlib-sh2e: Delete file.
3029         * config/sh/t-mlib-sh3e: Delete file.
3030         * config/sh/t-mlib-sh4: Delete file.
3031         * config/sh/t-mlib-sh4-nofpu: Delete file.
3032         * config/sh/t-mlib-sh4-single: Delete file.
3033         * config/sh/t-mlib-sh4-single-only: Delete file.
3034         * config/sh/t-mlib-sh4a: Delete file.
3035         * config/sh/t-mlib-sh4a-nofpu: Delete file.
3036         * config/sh/t-mlib-sh4a-single: Delete file.
3037         * config/sh/t-mlib-sh4a-single-only: Delete file.
3038         * config/sh/t-mlib-sh4al: Delete file.
3039         * config/sh/t-mlib-sh5-32media: Delete file.
3040         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
3041         * config/sh/t-mlib-sh5-64media: Delete file.
3042         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
3043         * config/sh/t-mlib-sh5-compact: Delete file.
3044         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
3045         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
3046         * doc/install.texi (Options specification): Add
3047         --with-multilib-list and --with-endian.
3049 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3051         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
3052         REVISION_c.
3053         (OBJS-common): Add plugin-version.o.
3054         (plugin-version.o): New.
3055         * gcc-plugin.h (plugin_gcc_version): New.
3056         (plugin_default_version_check): New.
3057         (plugin_init_func, plugin_init): Add version argument.
3058         * plugin-version.c: New.
3059         * plugin.c (str_plugin_gcc_version_name): New.
3060         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
3061         pass it to the init function.
3062         (plugin_default_version_check): New.
3064 2009-04-17  Richard Guenther  <rguenther@suse.de>
3066         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
3067         for decl-vs-decl disambiguation.
3069 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3071         * config/s390/s390.h (s390_tune_attr): New macro definition.
3072         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
3074 2009-04-17  Richard Guenther  <rguenther@suse.de>
3076         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
3077         (fold_stmt_r): Likewise.
3078         (maybe_fold_reference): New function.
3079         (fold_gimple_assign): Handle cases fold_stmt_r did.
3080         (fold_stmt): Do not use fold_stmt_r.
3081         (fold_stmt_inplace): Likewise.
3083 2009-04-17  Richard Guenther  <rguenther@suse.de>
3085         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
3086         (record_equivalences_from_stmt): Remove useless checks and
3087         simplifications.
3088         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
3089         the type is already suitable.
3091 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
3093         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
3095 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
3097         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
3098         (CMPtype): Define as __gcc_CMPtype.
3100 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
3102         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
3103         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
3105 2009-04-17  Richard Guenther  <rguenther@suse.de>
3107         PR tree-optimization/39746
3108         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
3109         special-casing for builtins and static variable use/def.
3110         (call_may_clobber_ref_p_1): Likewise.
3112 2009-04-16  Ian Lance Taylor  <iant@google.com>
3114         * df.h: Include "timevar.h".
3115         (struct df_problem): Change tv_id field to timevar_id_t.
3116         * tree-pass.h: Include "timevar.h".
3117         (struct opt_pass): Change tv_id field to timevar_id_t.
3118         * timevar.h (timevar_id_t): Define TV_NONE.
3119         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
3120         TV_NONE rather than tv_id != 0.
3121         (execute_one_pass): Likewise.
3122         * Makefile.in (DF_H): Add $(TIMEVAR_H).
3123         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
3124         dependencies to $(TREE_PASS_H).
3125         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
3126         to TV_NONE.
3127         (pass_branch_target_load_optimize2): Likewise.
3128         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
3129         (pass_outof_cfg_layout_mode): Likewise.
3130         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
3131         (pass_rebuild_cgraph_edges): Likewise.
3132         (pass_remove_cgraph_callee_edges): Likewise.
3133         * df-core.c (pass_df_initialize_opt): Likewise.
3134         (pass_df_initialize_no_opt): Likewise.
3135         (pass_df_finish): Likewise.
3136         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3137         * except.c (pass_set_nothrow_function_flags): Likewise.
3138         (pass_convert_to_eh_region_ranges): Likewise.
3139         * final.c (pass_compute_alignments): Likewise.
3140         * function.c (pass_instantiate_virtual_regs): Likewise.
3141         (pass_init_function): Likewise.
3142         (pass_leaf_regs): Likewise.
3143         (pass_match_asm_constraints): Likewise.
3144         * gimple-low.c (pass_lower_cf): Likewise.
3145         (pass_mark_used_blocks): Likewise.
3146         * init-regs.c (pass_initialize_regs): Likewise.
3147         * integrate.c (pass_initial_value_sets): Likewise.
3148         * ira.c (pass_ira): Likewise.
3149         * jump.c (pass_cleanup_barriers): Likewise.
3150         * omp-low.c (pass_expand_omp): Likewise.
3151         (pass_lower_omp): Likewise.
3152         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
3153         * recog.c (pass_split_all_insns): Likewise.
3154         (pass_split_after_reload): Likewise.
3155         (pass_split_before_regstack): Likewise.
3156         (pass_split_before_sched2): Likewise.
3157         (pass_split_for_shorten_branches): Likewise.
3158         * reginfo.c (pass_reginfo_init): Likewise.
3159         (pass_subregs_of_mode_init): Likewise.
3160         (pass_subregs_of_mode_finish): Likewise.
3161         * passes.c (pass_postreload): Likewise.
3162         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3163         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
3164         (pass_warn_function_return): Likewise.
3165         (pass_warn_function_noreturn): Likewise.
3166         * tree-complex.c (pass_lower_complex): Likewise.
3167         (pass_lower_complex_O0): Likewise.
3168         * tree-if-conv.c (pass_if_conversion): Likewise.
3169         * tree-into-ssa.c (pass_build_ssa): Likewise.
3170         * tree-mudflap.c (pass_mudflap_1): Likewise.
3171         (pass_mudflap_2): Likewise.
3172         * tree-nomudflap.c (pass_mudflap_1): Likewise.
3173         (pass_mudflap_2): Likewise.
3174         * tree-nrv.c (pass_return_slot): Likewise.
3175         * tree-object-size.c (pass_object_sizes): Likewise.
3176         * tree-optimize.c (pass_all_optimizations): Likewise.
3177         (pass_early_local_passes): Likewise.
3178         (pass_all_early_optimizations): Likewise.
3179         (pass_cleanup_cfg): Likewise.
3180         (pass_cleanup_cfg_post_optimizing): Likewise.
3181         (pass_free_datastructures): Likewise.
3182         (pass_free_cfg_annotations): Likewise.
3183         (pass_fixup_cfg): Likewise.
3184         (pass_init_datastructures): Likewise.
3185         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
3186         (pass_late_warn_uninitialized): Likewise.
3187         (pass_update_address_taken): Likewise.
3188         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
3189         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
3190         (pass_cse_sincos): Likewise.
3191         (pass_convert_to_rsqrt): Likewise.
3192         * tree-ssa-structalias.c (pass_build_alias): Likewise.
3193         * tree-stdarg.c (pass_stdarg): Likewise.
3194         * tree-tailcall.c (pass_tail_recursion): Likewise.
3195         (pass_tail_calls): Likewise.
3196         * tree-vect-generic.c (pass_lower_vector): Likewise.
3197         (pass_lower_vector_ssa): Likewise.
3198         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
3200 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
3202         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
3203         XLR entry.
3204         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
3205         Handle -march=xlr.
3206         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
3207         logical and signext.
3209 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
3211         PR target/39767
3212         * config/sh/predicates.md (arith_operand): Check if the operand
3213         of TRUNCATE is a REG.
3215 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3217         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
3218         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
3220 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3222         * tree-iterator.c (tsi_split_statement_list_after,
3223         tsi_split_statement_list_before): Remove.
3224         * tree-iterator.h: Remove the prototypes for
3225         tsi_split_statement_list_after and tsi_split_statement_list_before.
3227 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3229         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
3230         * tree-ssa-propagate.h: Remove the prototype for
3231         stmt_makes_single_load.
3233 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3235         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
3236         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
3238 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3240         * tree-iterator.c (EXPR_LAST_BODY): Remove.
3242 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3244         * except.c (eh_region_outer_p): Remove.
3245         * except.h: Remove the prototype for eh_region_outer_p.
3247 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3249         * function.c (current_function_assembler_name): Remove.
3250         * function.h: Remove the prototype for
3251         current_function_assembler_name.
3253 2009-04-16  Ian Lance Taylor  <iant@google.com>
3255         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
3256         (add_reg_note): Call alloc_reg_note.
3257         * rtl.h (alloc_reg_note): Declare.
3258         * combine.c (try_combine): Use alloc_reg_note.
3259         (recog_for_combine, move_deaths): Likewise.
3260         (distribute_notes): Use alloc_reg_note and add_reg_note.
3261         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
3262         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
3263         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
3265 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
3267         PR rtl-optimization/39762
3268         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
3269         ira_may_move_out_cost): Add comments about way of their usage.
3270         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
3272         * ira-conflicts.c (process_regs_for_copy): Use function
3273         ira_get_register_move_cost instead of global
3274         ira_register_move_cost.
3276         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
3277         color_pass, move_spill_restore, update_curr_costs): Ditto.
3279         * ira-lives.c (process_single_reg_class_operands): Ditto.
3281         * ira-emit.c (emit_move_list): Ditto.
3283         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
3284         (record_reg_classes): Ditto.  Use functions
3285         ira_get_register_move_cost and ira_get_may_move_cost instead of
3286         global vars ira_register_move_cost, ira_may_move_out_cost and
3287         ira_may_move_in_cost.
3288         (record_address_regs): Don't call ira_init_register_move_cost.
3289         Use function ira_get_may_move_cost instead of global
3290         ira_may_move_in_cost.
3291         (process_bb_node_for_hard_reg_moves): Use function
3292         ira_get_register_move_cost instead of global ira_register_move_cost.
3293         (ira_costs): Don't call ira_init_register_move_cost.
3295 2009-04-16  Richard Guenther  <rguenther@suse.de>
3297         * tree-cfg.c (verify_gimple_assign_binary):
3298         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
3299         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
3300         (create_general_new_stmt): Note that this function is broken.
3302 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3304         * common.opt (fhelp): Add Var(help_flag).
3305         * gcc-plugin.h (plugin_info): Add help.
3306         * plugin.c (plugin_name_args): Add help.
3307         (register_plugin_info): Set plugin->help.
3308         (print_help_one_plugin): New.
3309         (print_plugins_help): New.
3310         * plugin.h (print_plugins_help): New.
3311         * toplev.c (toplev_main): Call print_plugins_help if needed.
3313 2009-04-16  Richard Guenther  <rguenther@suse.de>
3315         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
3316         (gimple_ior_addresses_taken_1): New function.
3317         (gimple_ior_addresses_taken): Likewise.
3318         * gimple.h (struct gimple_statement_with_ops_base): Remove
3319         addresses_taken member.
3320         (gimple_ior_addresses_taken): Declare.
3321         (gimple_addresses_taken, gimple_addresses_taken_ptr,
3322         gimple_set_addresses_taken): Remove.
3323         * ipa-reference.c (mark_address): New function.
3324         (scan_stmt_for_static_refs): Use it for marking addresses taken.
3325         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
3326         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
3327         (gimple_add_to_addresses_taken): Remove.
3328         (get_tmr_operands): Call mark_address_taken.
3329         (get_asm_expr_operands): Likewise.
3330         (get_expr_operands): Likewise.
3331         (build_ssa_operands): Do not clear the addresses_taken bitmap.
3332         (free_stmt_operands): Do not free it.
3333         * tree-ssa.c (delete_tree_ssa): Likewise.
3334         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
3336 2009-04-16  Richard Guenther  <rguenther@suse.de>
3338         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
3339         (walk_stmt_load_store_ops): Likewise.
3340         * gimple.c (get_base_loadstore): New function.
3341         (walk_stmt_load_store_addr_ops): Likewise.
3342         (walk_stmt_load_store_ops): Likewise.
3343         * ipa-pure-const.c (check_op): Simplify.
3344         (check_load, check_store): New functions.
3345         (check_stmt): Use walk_stmt_load_store_ops.
3346         * ipa-reference.c (mark_load): Adjust signature.
3347         (mark_store): Likewise.
3348         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
3350 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3352         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
3353         (plugin_info): New.
3354         * opts.c (common_handle_option): Don't call print_version.
3355         * plugin.c (plugin_name_args): Add version.
3356         (register_plugin_info): New.
3357         (register_callback): Handle PLUGIN_INFO.
3358         (try_init_one_plugin): New.
3359         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
3360         if failed to init.
3361         (finalize_one_plugin): New.
3362         (finalize_plugins): New.
3363         (print_one_plugin): New.
3364         (print_plugins_versions): New.
3365         * plugin.h (print_plugins_versions): New.
3366         (finalize_plugins): New.
3367         * toplev.c (compile_file): Don't call initialize_plugins.
3368         (print_version): Call print_plugins_versions.
3369         (toplev_main): Call initialize_plugins. Print version if needed.
3370         Call finalize_plugins.
3372 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3374         * common.opt (fversion): New.
3375         * gcc.c (print_version): New.
3376         (process_command): Don't print the version. Just set print_version.
3377         (main): Print version. Call subprocesses if print_version and
3378         verbose_flag are set.
3379         * opts.c (common_handle_option): Handle OPT_fversion.
3381 2009-04-16  Richard Guenther  <rguenther@suse.de>
3382             Ira Rosen  <irar@il.ibm.com>
3384         PR tree-optimization/39698
3385         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
3386         type of the reduction variable.  Only generate the def if
3387         it is needed.
3389         * omp-low.c (expand_omp_for_generic): When converting to a pointer
3390         make sure to first convert to an integer of the same precision.
3391         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
3392         the type of the evolution correctly in computing the new
3393         induction variable base.
3395 2009-04-16  Richard Guenther  <rguenther@suse.de>
3397         PR middle-end/39625
3398         * tree-cfg.c (make_blocks): Split statements with to-be
3399         abnormal SSA names on the lhs.
3401 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
3403         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
3404         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
3405         * c-typeck.c (really_start_incremental_init): Likewise.
3406         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
3407         (TARGET_INITIALIZER): Remove it.
3408         * target.h (struct target): Remove vector_opaque_p.
3409         * tree.c (build_opaque_vector_type): New.
3410         * tree.h (TYPE_VECTOR_OPAQUE): New.
3411         (build_opaque_vector_type): Declare.
3412         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
3413         * config/rs6000/rs6000.c (build_opaque_vector_type,
3414         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
3415         (rs6000_init_builtins): Use build_opaque_vector_type for
3416         opaque_V4SI_type_node.
3418 2009-04-15  Catherine Moore  <clm@codesourcery.com>
3420         * debug.h (set_name):  Declare.
3421         * dwarf2out.c (dwarf2out_set_name): Declare.
3422         (dwarf2_debug_hooks): Add set_name.
3423         (find_AT_string): New.
3424         (add_AT_string): Call find_AT_string.
3425         (dwarf2out_set_name): New.
3426         * cp/decl.c (grokdeclarator): Call set_name.
3427         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
3428         * debug.c (do_nothing_debug_hooks):  Likewise.
3429         * dbxout.c (dbx_debug_hooks): Likewise.
3430         * sdbout.c (sdb_debug_hooks): Likewise.
3432 2009-04-15  Michael Eager  <eager@eagercon.com>
3434         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
3435         reg for single-precision FPU.
3436         * config/rs6000/rs6000.md (movsi_internal1): Only for
3437         !TARGET_SINGLE_FPU.
3438         (movsi_internal1_single): New. Add pattern to move SI values to/from
3439         single-precision FP regs.
3441 2009-04-15  Richard Guenther  <rguenther@suse.de>
3443         * omp-low.c (lower_rec_input_clauses): Build correct address
3444         expressions.
3445         (expand_omp_for_generic): Fix multiplication type.
3446         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
3447         (generate_memset_zero): Fix types.
3448         * tree-profile.c (prepare_instrumented_value): Correctly
3449         widen a pointer.
3451 2009-04-15  Ian Lance Taylor  <iant@google.com>
3453         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
3454         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
3455         for -Wall and for -Wc++-compat.
3456         (c_common_post_options): For C++, set warn_enum_compare if not
3457         already set.
3458         * c-tree.h (struct c_expr): Add field original_type.
3459         (build_external_ref): Update declaration.
3460         * c-parser.c (c_parser_braced_init): Set original_type.
3461         (c_parser_initelt): Likewise.
3462         (c_parser_expr_no_commas): Likewise.
3463         (c_parser_conditional_expression): Likewise.
3464         (c_parser_cast_expression): Likewise.
3465         (c_parser_unary_expression): Likewise.  Pull setting of
3466         original_code to top of function.
3467         (c_parser_sizeof_expression): Set original_type.
3468         (c_parser_alignof_expression): Likewise.
3469         (c_parser_postfix_expression): Likewise.  Pull setting of
3470         original_code to top of function.
3471         (c_parser_postfix_expression_after_paren_type): Set original_type.
3472         (c_parser_postfix_expression_after_primary): Likewise.
3473         (c_parser_expression): Likewise.
3474         * c-typeck.c (build_external_ref): Add type parameter.  Change all
3475         callers.
3476         (c_expr_sizeof_expr): Set original_type field.
3477         (parser_build_unary_op): Likewise.
3478         (parser_build_binary_op): Likewise.  Optionally warn about
3479         comparisons of enums of different types.
3480         (digest_init): Set original_type field.
3481         (really_start_incremental_init): Likewise.
3482         (push_init_level, pop_init_level): Likewise.
3483         * doc/invoke.texi (Warning Options): -Wenum-compare now
3484         supported in C.
3486 2009-04-15  Richard Guenther  <rguenther@suse.de>
3488         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
3489         out a necessary conversion.
3490         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
3491         names we didn't value number.
3492         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
3494 2009-04-15  Richard Guenther  <rguenther@suse.de>
3496         PR tree-optimization/39764
3497         * tree-ssa-ccp.c (get_value): Canonicalize value with
3498         canonicalize_float_value.
3500 2009-04-15  Jan Hubicka  <jh@suse.cz>
3502         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
3503         Wrong version of patch.
3505 2009-04-15  Jan Hubicka  <jh@suse.cz>
3507         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
3509 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
3511         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
3512         our distinct integral and vector types.
3514 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
3516         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
3517         * init.c (build_vtbl_address): Remove call to assemble_external.
3519 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
3521         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
3522         output for other floating point modes.
3524 2009-04-14  Diego Novillo  <dnovillo@google.com>
3526         * diagnostic.c (diagnostic_report_diagnostic): Do not
3527         warn about loaded plugins for DK_ERROR and DK_WARNING.
3528         * c-decl.c (declspecs_add_type): Move call to
3529         invoke_plugin_callbacks ...
3530         * c-parser.c (c_parser_declspecs): ... here.
3531         * plugin.c (dump_active_plugins): Tidy output.
3533 2009-04-14  Diego Novillo  <dnovillo@google.com>
3534             Le-Chun Wu  <lcwu@google.com>
3536         * configure.ac: Add --enable-plugin support.
3537         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
3538         * Makefile.in (PLUGIN_H): Define.
3539         Export ENABLE_PLUGIN and GMPINC to site.exp.
3540         Add PLUGINLIBS to link command.
3541         Add/modify dependencies for plugin.o and files including plugin.h.
3542         (plugin.o): New.
3543         * config.in: Regenerate.
3545         * opts.c (common_handle_option): Handle OPT_fplugin_ and
3546         OPT_fplugin_arg_.
3548 2009-04-14  Le-Chun Wu  <lcwu@google.com>
3550         * tree-pass.h (register_one_dump_file): Add a prototype for
3551         register_one_dump_file.
3552         * toplev.c (compile_file): Call initialize_plugins.
3553         (do_compile): Call invoke_plugin_callbacks.
3554         (toplev_main): Call invoke_plugin_callbacks.
3555         * common.opt: Add -fplugin= and -fplugin-arg-.
3556         * gcc-plugin.h: New public header file for plugins to include.
3557         * plugin.c: New source file.
3558         * plugin.h: New internal header file.
3559         * passes.c (register_one_dump_file): Make it external.
3561         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
3563 2009-04-14  Diego Novillo  <dnovillo@google.com>
3565         * doc/plugins.texi: New.
3566         * doc/gccint.texi: Add reference to Plugins chapter.
3567         * doc/invoke.texi: Document -fplugin and -fplugin-arg
3568         * diagnostic.c (diagnostic_report_diagnostic): Warn about
3569         loaded plugins, if any.
3570         * timevar.def (TV_PLUGIN_INIT): Define.
3571         (TV_PLUGIN_RUN): Define.
3572         * plugin.c: Include timevar.h
3573         (plugins_active_p): New.
3574         (dump_active_plugins): New.
3575         (debug_active_plugins): New.
3577 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
3579         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
3580         library paths.
3581         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
3583 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
3585         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
3586         the same as a minus without a shift.
3588 2009-04-14  Nick Clifton  <nickc@redhat.com>
3590         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
3591         comparisons with small integers will always produce a short
3592         branch.
3594 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
3596         Merge:
3597         2008-12-19  Diego Novillo  <dnovillo@google.com>
3599         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
3601 2009-04-14  Richard Guenther  <rguenther@suse.de>
3603         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
3604         verification.
3605         (verify_gimple_assign_binary): Likewise.  Handle shifts and
3606         rotates correctly.
3607         (verify_gimple_phi): Print the mismatched argument position.
3608         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3609         Fix types.
3610         (vect_update_init_of_dr): Likewise.
3611         * matrix-reorg.c (transform_access_sites): Do what the
3612         comment suggests.
3613         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
3615 2009-04-13  Michael Eager  <eager@eagercon.com>
3617         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
3618         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
3619         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
3620         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
3621         remove duplicate config
3623 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3625         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
3626         file_name:line_number type locator of the call site.
3628 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
3630         * genautomata.c: Put blank after comma.
3631         (automaton_decls): New.
3632         (struct unit_usage): Add comments to member next.
3633         (store_alt_unit_usage): Keep the list ordered.
3634         (unit_present_on_list_p, equal_alternatives_p): New.
3635         (check_regexp_units_distribution): Check units distribution
3636         correctness correctly.
3637         (main): Don't write automata if error is found.  Return correct
3638         exit code.
3640         * config/m68k/cf.md (cfv4_ds): Remove.
3641         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
3642         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
3644         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
3645         power4-load-ext, power4-store, power4-store-update,
3646         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
3647         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
3648         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
3649         power4-sqrt, power4-isync): Modify reservation to make correct
3650         unit distribution to automata.
3652         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
3653         power5-store-update, power5-two, power5-three, power5-lmul,
3654         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
3656 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
3658         * except.c (pass_set_nothrow_function_flags): Set name and add
3659         TODO_dump_func.
3660         (set_nothrow_function_flags): Mention in the dump file when
3661         changing a function to nothrow.
3663 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
3665         PR/39066
3666         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
3667         instead of unsigned long.
3669 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3671         * config/arm/arm.c (return_used_this_function): Remove.
3672         (arm_output_function_prologue): Remove use of
3673         return_used_this_function.
3674         (output_return_instruction): Replace use of
3675         return_used_this_function
3676         by cfun->machine->return_used_this_function.
3677         (arm_output_epilogue): Likewise.
3678         (arm_output_function_epilogue): Likewise.
3679         (thumb_unexpanded_epilogue): Likewise.
3680         * config/arm/arm.h (struct machine_function):
3681         New member return_used_this_function.
3683 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
3685         * doc/install.texi: Correct description of default directory for
3686         --with-gxx-include-dir.
3688 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3690         * fold-const.c (build_range_check): Properly deal with enumeral and
3691         boolean base types.
3693 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
3695         * doc/invoke.texi (max_gcse_passes): Remove documentation.
3696         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
3697         * params.h (MAX_GCSE_PASSES): Remove.
3698         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
3699         in sequence.  Remove ability to run multiple passes.
3700         (bypass_jumps): Report run as third CPROP pass.
3702 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
3704         PR middle-end/39651
3705         * except.c (can_throw_external): Look at each insn in a SEQUENCE
3706         when deciding whether the whole SEQUENCE can throw.
3708 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
3710         PR target/39740
3711         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
3712         offseted label references.
3714 2009-04-11  Jan Hubicka  <jh@suse.cz>
3716         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
3718 2009-04-11  Richard Guenther  <rguenther@suse.de>
3720         PR middle-end/39732
3721         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
3722         return variables as TREE_ADDRESSABLE.
3724 2009-04-11  Richard Guenther  <rguenther@suse.de>
3726         PR tree-optimization/39713
3727         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
3728         reference trees have SSA_NAME operands.
3730 2009-04-11  Richard Guenther  <rguenther@suse.de>
3732         PR c/39712
3733         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
3734         address expressions.
3736 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
3738         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
3739         match changes in Cygwin 1.7
3740         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
3741         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
3743 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
3745         PR tree-optimization/39701
3746         * doc/invoke.texi (Optimization Options): Document change in
3747         meaning and initialization of -fdelete-null-pointer-checks.
3749 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
3751         PR middle-end/39701
3752         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
3754         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
3755         here.
3757         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
3759 2009-04-10  Chao-ying Fu  <fu@mips.com>
3761         * doc/tm.texi (Instruction Output): Document
3762         TARGET_ASM_FINAL_POSTSCAN_INSN.
3763         * target.h (final_postscan_insn): New field in asm_out.
3764         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
3765         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
3766         * final.c (final_scan_insn): Call
3767         targetm.asm_out.final_postscan_insn after outputting
3768         an asm macro and a normal instruction.
3770         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
3771         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
3772         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
3773         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
3774         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
3776 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
3778         PR middle-end/39701
3779         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
3780         variables as non-NULL even with -fdelete-null-pointer-checks.
3782 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
3784         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
3786 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3788         PR target/39678
3789         * config/i386/i386.c (classify_argument): Handle SCmode with
3790         (bit_offset % 64) != 0.
3792 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
3794         * doc/invoke.texi (Optimize Options): Add cross-reference to
3795         -Q --help=optimizers examples.
3797 2009-04-10  Ben Elliston  <bje@au.ibm.com>
3799         PR target/36800
3800         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
3801         regalign for the reg == fpr and TDmode case.
3803 2009-04-09  David Ayers  <ayers@fsfe.org>
3805         PR objc/29200
3806         * objc/objc-act.c (warn_with_method): Remove helper function.
3807         (check_duplicates): Call warning and inform directly.
3808         (really_start_method): Likewise.
3810 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
3812         * expmed.c (expand_divmod): Always use a comparison for a division
3813         by a large unsigned integer.
3815         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
3816         for things others than variables or functions as nonzero.
3818 2009-04-09  Nick Clifton  <nickc@redhat.com>
3820         * unwind-compat.c: Change copyright header to refer to version
3821         3 of the GNU General Public License with version 3.1 of the
3822         GCC Runtime Library Exception and to point readers at the
3823         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
3824         * config/alpha/crtfastmath.c: Likewise.
3825         * config/alpha/linux-unwind.h: Likewise.
3826         * config/alpha/qrnnd.asm: Likewise.
3827         * config/alpha/vms-crt0-64.c: Likewise.
3828         * config/alpha/vms-crt0.c: Likewise.
3829         * config/alpha/vms-dwarf2.asm: Likewise.
3830         * config/alpha/vms-dwarf2eh.asm: Likewise.
3831         * config/alpha/vms-psxcrt0-64.c: Likewise.
3832         * config/alpha/vms-psxcrt0.c: Likewise.
3833         * config/alpha/vms_tramp.asm: Likewise.
3834         * config/arc/initfini.c: Likewise.
3835         * config/arc/lib1funcs.asm: Likewise.
3836         * config/arm/bpabi-v6m.S: Likewise.
3837         * config/arm/bpabi.S: Likewise.
3838         * config/arm/bpabi.c: Likewise.
3839         * config/arm/crti.asm: Likewise.
3840         * config/arm/crtn.asm: Likewise.
3841         * config/arm/ieee754-df.S: Likewise.
3842         * config/arm/ieee754-sf.S: Likewise.
3843         * config/arm/lib1funcs.asm: Likewise.
3844         * config/arm/libunwind.S: Likewise.
3845         * config/arm/linux-atomic.c: Likewise.
3846         * config/arm/mmintrin.h: Likewise.
3847         * config/arm/pr-support.c: Likewise.
3848         * config/arm/unaligned-funcs.c: Likewise.
3849         * config/arm/unwind-arm.c: Likewise.
3850         * config/arm/unwind-arm.h: Likewise.
3851         * config/avr/libgcc.S: Likewise.
3852         * config/bfin/crti.s: Likewise.
3853         * config/bfin/crtlibid.s: Likewise.
3854         * config/bfin/crtn.s: Likewise.
3855         * config/bfin/lib1funcs.asm: Likewise.
3856         * config/bfin/linux-unwind.h: Likewise.
3857         * config/cris/arit.c: Likewise.
3858         * config/cris/cris_abi_symbol.c: Likewise.
3859         * config/darwin-64.c: Likewise.
3860         * config/darwin-crt2.c: Likewise.
3861         * config/darwin-crt3.c: Likewise.
3862         * config/darwin.h: Likewise.
3863         * config/dbxelf.h: Likewise.
3864         * config/dfp-bit.c: Likewise.
3865         * config/dfp-bit.h: Likewise.
3866         * config/elfos.h: Likewise.
3867         * config/fixed-bit.c: Likewise.
3868         * config/fixed-bit.h: Likewise.
3869         * config/fp-bit.c: Likewise.
3870         * config/fp-bit.h: Likewise.
3871         * config/fr30/crti.asm: Likewise.
3872         * config/fr30/crtn.asm: Likewise.
3873         * config/fr30/lib1funcs.asm: Likewise.
3874         * config/freebsd-spec.h: Likewise.
3875         * config/frv/cmovd.c: Likewise.
3876         * config/frv/cmovh.c: Likewise.
3877         * config/frv/cmovw.c: Likewise.
3878         * config/frv/frvbegin.c: Likewise.
3879         * config/frv/frvend.c: Likewise.
3880         * config/frv/lib1funcs.asm: Likewise.
3881         * config/glibc-stdint.h: Likewise.
3882         * config/h8300/clzhi2.c: Likewise.
3883         * config/h8300/crti.asm: Likewise.
3884         * config/h8300/crtn.asm: Likewise.
3885         * config/h8300/ctzhi2.c: Likewise.
3886         * config/h8300/fixunssfsi.c: Likewise.
3887         * config/h8300/lib1funcs.asm: Likewise.
3888         * config/h8300/parityhi2.c: Likewise.
3889         * config/h8300/popcounthi2.c: Likewise.
3890         * config/i386/ammintrin.h: Likewise.
3891         * config/i386/att.h: Likewise.
3892         * config/i386/avxintrin.h: Likewise.
3893         * config/i386/biarch64.h: Likewise.
3894         * config/i386/bmmintrin.h: Likewise.
3895         * config/i386/cpuid.h: Likewise.
3896         * config/i386/cross-stdarg.h: Likewise.
3897         * config/i386/crtfastmath.c: Likewise.
3898         * config/i386/crtprec.c: Likewise.
3899         * config/i386/cygming-crtbegin.c: Likewise.
3900         * config/i386/cygming-crtend.c: Likewise.
3901         * config/i386/cygwin.asm: Likewise.
3902         * config/i386/emmintrin.h: Likewise.
3903         * config/i386/gmm_malloc.h: Likewise.
3904         * config/i386/gthr-win32.c: Likewise.
3905         * config/i386/i386.h: Likewise.
3906         * config/i386/immintrin.h: Likewise.
3907         * config/i386/linux-unwind.h: Likewise.
3908         * config/i386/linux64.h: Likewise.
3909         * config/i386/mm3dnow.h: Likewise.
3910         * config/i386/mmintrin-common.h: Likewise.
3911         * config/i386/mmintrin.h: Likewise.
3912         * config/i386/nmmintrin.h: Likewise.
3913         * config/i386/pmm_malloc.h: Likewise.
3914         * config/i386/pmmintrin.h: Likewise.
3915         * config/i386/smmintrin.h: Likewise.
3916         * config/i386/sol2-c1.asm: Likewise.
3917         * config/i386/sol2-ci.asm: Likewise.
3918         * config/i386/sol2-cn.asm: Likewise.
3919         * config/i386/sol2-gc1.asm: Likewise.
3920         * config/i386/tmmintrin.h: Likewise.
3921         * config/i386/unix.h: Likewise.
3922         * config/i386/w32-unwind.h: Likewise.
3923         * config/i386/wmmintrin.h: Likewise.
3924         * config/i386/x86-64.h: Likewise.
3925         * config/i386/x86intrin.h: Likewise.
3926         * config/i386/xmmintrin.h: Likewise.
3927         * config/ia64/crtbegin.asm: Likewise.
3928         * config/ia64/crtend.asm: Likewise.
3929         * config/ia64/crtfastmath.c: Likewise.
3930         * config/ia64/crti.asm: Likewise.
3931         * config/ia64/crtn.asm: Likewise.
3932         * config/ia64/fde-glibc.c: Likewise.
3933         * config/ia64/lib1funcs.asm: Likewise.
3934         * config/ia64/linux-unwind.h: Likewise.
3935         * config/ia64/quadlib.c: Likewise.
3936         * config/ia64/unwind-ia64.c: Likewise.
3937         * config/linux.h: Likewise.
3938         * config/m32c/m32c-lib1.S: Likewise.
3939         * config/m32c/m32c-lib2-trapv.c: Likewise.
3940         * config/m32c/m32c-lib2.c: Likewise.
3941         * config/m32r/initfini.c: Likewise.
3942         * config/m68hc11/larith.asm: Likewise.
3943         * config/m68hc11/m68hc11-crt0.S: Likewise.
3944         * config/m68k/cf.md: Likewise.
3945         * config/m68k/crti.s: Likewise.
3946         * config/m68k/crtn.s: Likewise.
3947         * config/m68k/lb1sf68.asm: Likewise.
3948         * config/m68k/linux-unwind.h: Likewise.
3949         * config/mcore/crti.asm: Likewise.
3950         * config/mcore/crtn.asm: Likewise.
3951         * config/mcore/lib1.asm: Likewise.
3952         * config/mips/linux-unwind.h: Likewise.
3953         * config/mips/loongson.h: Likewise.
3954         * config/mips/mips16.S: Likewise.
3955         * config/mmix/crti.asm: Likewise.
3956         * config/mmix/crtn.asm: Likewise.
3957         * config/pa/fptr.c: Likewise.
3958         * config/pa/hpux-unwind.h: Likewise.
3959         * config/pa/lib2funcs.asm: Likewise.
3960         * config/pa/linux-atomic.c: Likewise.
3961         * config/pa/linux-unwind.h: Likewise.
3962         * config/pa/milli64.S: Likewise.
3963         * config/pa/quadlib.c: Likewise.
3964         * config/pa/stublib.c: Likewise.
3965         * config/picochip/libgccExtras/adddi3.asm: Likewise.
3966         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
3967         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
3968         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
3969         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
3970         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
3971         * config/picochip/libgccExtras/divmod15.asm: Likewise.
3972         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
3973         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
3974         * config/picochip/libgccExtras/longjmp.asm: Likewise.
3975         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
3976         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
3977         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
3978         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
3979         * config/picochip/libgccExtras/setjmp.asm: Likewise.
3980         * config/picochip/libgccExtras/subdi3.asm: Likewise.
3981         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
3982         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
3983         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
3984         * config/rs6000/750cl.h: Likewise.
3985         * config/rs6000/altivec.h: Likewise.
3986         * config/rs6000/biarch64.h: Likewise.
3987         * config/rs6000/crtresfpr.asm: Likewise.
3988         * config/rs6000/crtresgpr.asm: Likewise.
3989         * config/rs6000/crtresxfpr.asm: Likewise.
3990         * config/rs6000/crtresxgpr.asm: Likewise.
3991         * config/rs6000/crtsavfpr.asm: Likewise.
3992         * config/rs6000/crtsavgpr.asm: Likewise.
3993         * config/rs6000/darwin-asm.h: Likewise.
3994         * config/rs6000/darwin-fallback.c: Likewise.
3995         * config/rs6000/darwin-fpsave.asm: Likewise.
3996         * config/rs6000/darwin-ldouble.c: Likewise.
3997         * config/rs6000/darwin-tramp.asm: Likewise.
3998         * config/rs6000/darwin-unwind.h: Likewise.
3999         * config/rs6000/darwin-vecsave.asm: Likewise.
4000         * config/rs6000/darwin-world.asm: Likewise.
4001         * config/rs6000/e500crtres32gpr.asm: Likewise.
4002         * config/rs6000/e500crtres64gpr.asm: Likewise.
4003         * config/rs6000/e500crtres64gprctr.asm: Likewise.
4004         * config/rs6000/e500crtrest32gpr.asm: Likewise.
4005         * config/rs6000/e500crtrest64gpr.asm: Likewise.
4006         * config/rs6000/e500crtresx32gpr.asm: Likewise.
4007         * config/rs6000/e500crtresx64gpr.asm: Likewise.
4008         * config/rs6000/e500crtsav32gpr.asm: Likewise.
4009         * config/rs6000/e500crtsav64gpr.asm: Likewise.
4010         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
4011         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
4012         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
4013         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
4014         * config/rs6000/eabi-ci.asm: Likewise.
4015         * config/rs6000/eabi-cn.asm: Likewise.
4016         * config/rs6000/eabi.asm: Likewise.
4017         * config/rs6000/linux-unwind.h: Likewise.
4018         * config/rs6000/linux64.h: Likewise.
4019         * config/rs6000/paired.h: Likewise.
4020         * config/rs6000/paired.md: Likewise.
4021         * config/rs6000/ppc64-fp.c: Likewise.
4022         * config/rs6000/ppu_intrinsics.h: Likewise.
4023         * config/rs6000/rs6000.h: Likewise.
4024         * config/rs6000/si2vmx.h: Likewise.
4025         * config/rs6000/sol-ci.asm: Likewise.
4026         * config/rs6000/sol-cn.asm: Likewise.
4027         * config/rs6000/spe.h: Likewise.
4028         * config/rs6000/spu2vmx.h: Likewise.
4029         * config/rs6000/sysv4.h: Likewise.
4030         * config/rs6000/tramp.asm: Likewise.
4031         * config/rs6000/vec_types.h: Likewise.
4032         * config/s390/linux-unwind.h: Likewise.
4033         * config/s390/tpf-unwind.h: Likewise.
4034         * config/score/crti.asm: Likewise.
4035         * config/score/crtn.asm: Likewise.
4036         * config/sh/crt1.asm: Likewise.
4037         * config/sh/crti.asm: Likewise.
4038         * config/sh/crtn.asm: Likewise.
4039         * config/sh/divtab-sh4-300.c: Likewise.
4040         * config/sh/divtab-sh4.c: Likewise.
4041         * config/sh/divtab.c: Likewise.
4042         * config/sh/lib1funcs-4-300.asm: Likewise.
4043         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
4044         * config/sh/lib1funcs.asm: Likewise.
4045         * config/sh/lib1funcs.h: Likewise.
4046         * config/sh/linux-atomic.asm: Likewise.
4047         * config/sh/linux-unwind.h: Likewise.
4048         * config/sh/shmedia.h: Likewise.
4049         * config/sh/sshmedia.h: Likewise.
4050         * config/sh/ushmedia.h: Likewise.
4051         * config/sparc/crtfastmath.c: Likewise.
4052         * config/sparc/linux-unwind.h: Likewise.
4053         * config/sparc/sol2-c1.asm: Likewise.
4054         * config/sparc/sol2-ci.asm: Likewise.
4055         * config/sparc/sol2-cn.asm: Likewise.
4056         * config/spu/divmodti4.c: Likewise.
4057         * config/spu/divv2df3.c: Likewise.
4058         * config/spu/float_disf.c: Likewise.
4059         * config/spu/float_unsdidf.c: Likewise.
4060         * config/spu/float_unsdisf.c: Likewise.
4061         * config/spu/float_unssidf.c: Likewise.
4062         * config/spu/mfc_multi_tag_release.c: Likewise.
4063         * config/spu/mfc_multi_tag_reserve.c: Likewise.
4064         * config/spu/mfc_tag_release.c: Likewise.
4065         * config/spu/mfc_tag_reserve.c: Likewise.
4066         * config/spu/mfc_tag_table.c: Likewise.
4067         * config/spu/multi3.c: Likewise.
4068         * config/spu/spu_internals.h: Likewise.
4069         * config/spu/spu_intrinsics.h: Likewise.
4070         * config/spu/spu_mfcio.h: Likewise.
4071         * config/spu/vec_types.h: Likewise.
4072         * config/spu/vmx2spu.h: Likewise.
4073         * config/stormy16/stormy16-lib2.c: Likewise.
4074         * config/svr4.h: Likewise.
4075         * config/sync.c: Likewise.
4076         * config/v850/lib1funcs.asm: Likewise.
4077         * config/vxlib-tls.c: Likewise.
4078         * config/vxlib.c: Likewise.
4079         * config/vxworks-dummy.h: Likewise.
4080         * config/xtensa/crti.asm: Likewise.
4081         * config/xtensa/crtn.asm: Likewise.
4082         * config/xtensa/ieee754-df.S: Likewise.
4083         * config/xtensa/ieee754-sf.S: Likewise.
4084         * config/xtensa/lib1funcs.asm: Likewise.
4085         * config/xtensa/lib2funcs.S: Likewise.
4086         * config/xtensa/linux-unwind.h: Likewise.
4087         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
4088         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
4089         * coretypes.h: Likewise.
4090         * crtstuff.c: Likewise.
4091         * defaults.h: Likewise.
4092         * dwarf2.h: Likewise.
4093         * emutls.c: Likewise.
4094         * gbl-ctors.h: Likewise.
4095         * gcov-io.h: Likewise.
4096         * ginclude/float.h: Likewise.
4097         * ginclude/iso646.h: Likewise.
4098         * ginclude/stdarg.h: Likewise.
4099         * ginclude/stdbool.h: Likewise.
4100         * ginclude/stddef.h: Likewise.
4101         * ginclude/stdfix.h: Likewise.
4102         * ginclude/stdint-gcc.h: Likewise.
4103         * ginclude/tgmath.h: Likewise.
4104         * gthr-aix.h: Likewise.
4105         * gthr-dce.h: Likewise.
4106         * gthr-gnat.c: Likewise.
4107         * gthr-gnat.h: Likewise.
4108         * gthr-lynx.h: Likewise.
4109         * gthr-mipssde.h: Likewise.
4110         * gthr-nks.h: Likewise.
4111         * gthr-posix.c: Likewise.
4112         * gthr-posix.h: Likewise.
4113         * gthr-posix95.h: Likewise.
4114         * gthr-rtems.h: Likewise.
4115         * gthr-single.h: Likewise.
4116         * gthr-solaris.h: Likewise.
4117         * gthr-tpf.h: Likewise.
4118         * gthr-vxworks.h: Likewise.
4119         * gthr-win32.h: Likewise.
4120         * gthr.h: Likewise.
4121         * libgcc2.c: Likewise.
4122         * libgcc2.h: Likewise.
4123         * libgcov.c: Likewise.
4124         * tsystem.h: Likewise.
4125         * typeclass.h: Likewise.
4126         * unwind-c.c: Likewise.
4127         * unwind-compat.h: Likewise.
4128         * unwind-dw2-fde-compat.c: Likewise.
4129         * unwind-dw2-fde-darwin.c: Likewise.
4130         * unwind-dw2-fde-glibc.c: Likewise.
4131         * unwind-dw2-fde.c: Likewise.
4132         * unwind-dw2-fde.h: Likewise.
4133         * unwind-dw2.c: Likewise.
4134         * unwind-dw2.h: Likewise.
4135         * unwind-generic.h: Likewise.
4136         * unwind-pe.h: Likewise.
4137         * unwind-sjlj.c: Likewise.
4138         * unwind.inc: Likewise.
4139         * config/arm/neon-gen.ml: Change generated copyright header to
4140         refer to version 3 of the GNU General Public License with
4141         version 3.1 of the GCC Runtime Library Exception and to point
4142         readers at the COPYING3 and COPYING3.RUNTIME files and the
4143         FSF's license web page.
4144         * config/arm/arm_neon.h: Regenerate.
4146 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
4148         * config/cris/cris.md: Change copyright header to refer to version
4149         3 of the GNU General Public License.
4150         * doc/install.texi2html: Change copyright header to refer to version
4151         3 of the GNU General Public License and to point readers at the
4152         COPYING3 file and the FSF's license web page.
4153         * config/vax/linux.h: Likewise.
4155 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4157         * config/i386/i386.md (cmpcc): New.
4158         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
4159         (sync_compare_and_swap_cc*): Delete.
4161         * config/s390/s390.c (s390_compare_emitted): Remove.
4162         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
4163         s390_compare_emitted used to be handled.  Assert that modes match.
4164         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
4165         refer to sync_compare_and_swap_ccsi.
4166         * config/s390/s390.h (s390_compare_emitted): Remove.
4167         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
4168         instead of s390_compare_emitted.
4169         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
4170         instead of s390_compare_emitted.
4171         * config/s390/s390.md (cmpcc): New.
4172         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
4173         CC_REGNUM, do not pretend it's set.
4174         (sync_compare_and_swap_cc*): Delete.
4175         * config/s390/predicates.md (cc_reg_operand): New.
4177         * expr.c (sync_compare_and_swap_cc): Delete.
4178         * optabs.h (sync_compare_and_swap_cc): Delete.
4179         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
4180         is being used with can_compare_p.
4181         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
4182         (find_cc_set): New.
4183         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
4184         look for a MODE_CC set instead.  Use emit_store_flag.
4185         (expand_compare_and_swap_loop): Likewise, with some additional
4186         complication to avoid a force_reg when useless.  Use
4187         emit_cmp_and_jump_insns.
4188         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
4189         * doc/md.texi (sync_compare_and_swap_cc): Merge with
4190         sync_compare_and_swap documentation.
4192 2009-04-09  Jan Hubicka  <jh@suse.cz>
4194         * except.c (find_prev_try): Break out from ....
4195         (duplicate_eh_regions): ... here; properly update prev_try pointers
4196         when duplication part of tree.
4197         (dump_eh_tree): Improve dumping.
4198         (verify_eh_region): New.
4199         (verify_eh_tree): Use it.
4201 2009-04-06  Richard Guenther  <rguenther@suse.de>
4203         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
4204         &ARRAY addresses by adjusting their types and prepending
4205         a conversion.
4206         * tree-cfg.c (verify_gimple_assign_single): Verify that
4207         addresses are correct.
4209 2009-04-09  Richard Guenther  <rguenther@suse.de>
4211         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
4212         indices into an array reference if possible.
4213         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4214         Fold POINTER_PLUS_EXPR statements with invariant address.
4216 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
4218         PR target/39634
4219         * config.gcc (powerpc64-*-linux*): Always build biarch.
4221 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
4223         PR c/39613
4224         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
4225         it and pedwarn if this results in an INTEGER_CST.
4227 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4229         * doc/install.texi: Update minimum GMP version.  Remove obsolete
4230         text in MPFR section.
4232 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
4234         * dwarf2out.c (class_scope_p): New static inline.
4235         (class_or_namespace_scope_p): Use it.
4236         (gen_variable_die): Use DW_TAG_member tag for static data member
4237         declarations instead of DW_TAG_variable.
4239         PR middle-end/39573
4240         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
4241         variables.
4243 2009-04-08  Richard Guenther  <rguenther@suse.de>
4245         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
4246         valueize random data.
4248 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
4250         * config.gcc (aix tm_file):  Add aix-stdint.h.
4251         (aix tm clause use_gcc_stdint):  Set to wrap.
4252         * config/rs6000/aix-stdint.h:  New file.
4254 2009-04-08  Richard Guenther  <rguenther@suse.de>
4256         PR middle-end/36291
4257         * tree-dfa.c (add_referenced_var): Do not recurse into
4258         global initializers.
4259         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
4260         exposed variables.
4261         (fold_const_aggregate_ref): Likewise.
4263 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4265         * recog.c (ordered_comparison_operator): New.
4266         * gensupport.c (std_preds): Add it.
4267         * doc/md.texi (Machine-Independent Predicates): Document it.
4269 2009-04-08  Jan Hubicka  <jh@suse.cz>
4271         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
4272         * function.h (rtl_eh): Remove exception_handler_label_map.
4273         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
4274         remove_exception_handler_label, for_each_eh_label_1): Remove.
4275         (rtl_remove_unreachable_regions): Remove.
4276         (convert_from_eh_region_ranges): Do not remove unreachable regions.
4277         (find_exception_handler_labels): Don't build the hashtable.
4278         (maybe_remove_eh_handler): Remove.
4279         (for_each_eh_label): Rewrite to walk the tree.
4280         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
4281         * except.h (maybe_remove_eh_handler): Remove.
4282         * passes.c (init_optimization_passes): Schedule second EH cleanup
4283         before out-of-ssa.
4284         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
4285         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
4287 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4289         * genoutput.c (validate_optab_operands): New.
4290         (gen_insn, gen_expand): Call it.
4292         * genflags.c (gen_insn): Detect misused iterators.
4293         (main): Pass line_no to gen_insn, exit with status 1 on error.
4295         * genextract.c (line_no): Make global.
4296         (VEC_safe_set_locstr): Change assertion to error message.
4297         (main): Exit with status 1 on error.
4299 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
4301         PR c/39614
4302         PR c/39673
4303         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4304         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4305         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
4306         * c-convert.c (convert): Do not call fold on results of conversion
4307         functions when the result is a C_MAYBE_CONST_EXPR.
4308         * c-parser.c (c_parser_postfix_expression): Do not fold condition
4309         of __builtin_choose_expr.
4310         * c-typeck.c (remove_c_maybe_const_expr): New.
4311         (build_unary_op, build_conditional_expr, build_compound_expr,
4312         build_binary_op, c_objc_common_truthvalue_conversion): Call
4313         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
4314         integer operands.
4316 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
4318         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
4319         CODE to produce a new one. Add a prototype to use fold_convert_const
4321 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
4323         PR bootstrap/39660
4324         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
4325         mix declarations and code.
4327 2009-04-08  Ben Elliston  <bje@au.ibm.com>
4329         * gcc.c: Replace `CC' with `GCC' throughout.
4331 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4333         * doc/invoke.texi: Document Atom support.
4335 2009-04-07  Jason Merrill  <jason@redhat.com>
4337         PR c++/25185
4338         * c-common.h, c-common.c: Add flag_pretty_templates.
4339         * c-opts.c (c_common_handle_option): Set it.
4340         * c.opt: Add -fno-pretty-templates.
4341         * doc/invoke.texi (C++ Dialect Options): Likewise.
4343 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
4345         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
4346         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
4347         (ia64_expand_builtin): Likewise.
4349 2009-04-07  Martin Jambor  <mjambor@suse.cz>
4351         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
4352         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
4353         ADDR_EXPRS are include too.
4355 2009-04-07  Richard Guenther  <rguenther@suse.de>
4357         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
4358         decls are only used if passes as parameters or if they are
4359         local statics and the call is not to a builtin.
4360         (call_may_clobber_ref_p_1): Likewise.
4362 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4364         * expr.c (do_store_flag): Remove last argument.  Simplify code
4365         to avoid duplication of tests already done by can_compare_p.
4366         (expand_expr_real_1): Adjust caller.
4368 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4370         * optabs.c (can_compare_p): Test the predicate of a
4371         cbranch and cstore pattern.
4373 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4375         * expr.c (convert_move): Use emit_store_flag instead of
4376         "emulating" it.
4378 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4380         * config/i386/i386.c (ix86_compare_emitted): Remove.
4381         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
4382         ix86_compare_op0 like ix86_compare_emitted used to be handled.
4383         * config/i386/i386.h (ix86_compare_emitted): Remove.
4384         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
4385         instead of ix86_compare_emitted.
4386         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
4388 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
4390         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
4391         Add t-sysroot-suffix to tmake_file.
4392         * config/print-sysroot-suffix.sh: New file.
4393         * config/t-sysroot-suffix: New file.
4395 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4397         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
4398         as the latter produces a warning when the target does not support
4399         infinity.
4401 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4403         * dfp.c: Replace type punning assignments with memcpy throughout.
4404         * Makefile.in (dfp.o-warn): Remove.
4406 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
4408         PR target/39634
4409         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
4410         Include soft-fp/t-softfp after rs6000/t-linux64.
4412 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
4414         * stor-layout.c (set_sizetype): Use the full precision of their
4415         machine mode for bitsize types.
4417 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
4419         * config/i386/i386.md: Revert 2 accidental checkins.
4421 2009-04-06  Joey Ye  <joey.ye@intel.com>
4422             Xuepeng Guo  <xuepeng.guo@intel.com>
4423             H.J. Lu  <hongjiu.lu@intel.com>
4425         Atom pipeline model, tuning and insn selection.
4426         * config.gcc (atom): Add atom config options and target.
4428         * config/i386/atom.md: New.
4430         * config/i386/i386.c (atom_cost): New cost.
4431         (m_ATOM): New macro flag.
4432         (initial_ix86_tune_features): Set m_ATOM.
4433         (x86_accumulate_outgoing_args): Likewise.
4434         (x86_arch_always_fancy_math_387): Likewise.
4435         (processor_target): Add Atom cost.
4436         (cpu_names): Add Atom cpu name.
4437         (override_options): Set Atom ISA.
4438         (ix86_issue_rate): New case PROCESSOR_ATOM.
4439         (ix86_adjust_cost): Likewise.
4441         * config/i386/i386.h (TARGET_ATOM): New target macro.
4442         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
4443         (TARGET_OPT_AGU): New target option.
4444         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
4445         (processor_type): Add PROCESSOR_ATOM.
4447         * config/i386/i386.md (cpu): Add new value "atom".
4448         (use_carry, movu): New attr.
4449         (atom.md): Include atom.md.
4450         (adddi3_carry_rex64): Set attr "use_carry".
4451         (addqi3_carry): Likewise.
4452         (addhi3_carry): Likewise.
4453         (addsi3_carry): Likewise.
4454         (*addsi3_carry_zext): Likewise.
4455         (subdi3_carry_rex64): Likewise.
4456         (subqi3_carry): Likewise.
4457         (subhi3_carry): Likewise.
4458         (subsi3_carry): Likewise.
4459         (x86_movdicc_0_m1_rex64): Likewise.
4460         (*x86_movdicc_0_m1_se): Likewise.
4461         (x86_movsicc_0_m1): Likewise.
4462         (*x86_movsicc_0_m1_se): Likewise.
4463         (*adddi_1_rex64): Emit add insn as much as possible.
4464         (*addsi_1): Likewise.
4465         (return_internal): Set atom_unit.
4466         (return_internal_long): Likewise.
4467         (return_pop_internal): Likewise.
4468         (*rcpsf2_sse): Set atom_sse_attr attr.
4469         (*qrt<mode>2_sse): Likewise.
4470         (*prefetch_sse): Likewise.
4472         * config/i386/i386-c.c (ix86_target_macros_internal): New case
4473         PROCESSOR_ATOM.
4474         (ix86_target_macros_internal): Likewise.
4476         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
4477         (*prefetch_sse_rex): Likewise.
4478         (sse_rcpv4sf2): Likewise.
4479         (sse_vmrcpv4sf2): Likewise.
4480         (sse_sqrtv4sf2): Likewise.
4481         (<sse>_vmsqrt<mode>2): Likewise.
4482         (sse_ldmxcsr): Likewise.
4483         (sse_stmxcsr): Likewise.
4484         (*sse_sfence): Likewise.
4485         (sse2_clflush): Likewise.
4486         (*sse2_mfence): Likewise.
4487         (*sse2_lfence): Likewise.
4488         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
4489         (<sse>_movup<ssemodesuffixf2c>): Likewise.
4490         (avx_movdqu<avxmodesuffix>): Likewise.
4491         (avx_lddqu<avxmodesuffix>): Likewise.
4492         (sse2_movntv2di): Change attr "type" to "ssemov".
4493         (sse2_movntsi): Likewise.
4494         (rsqrtv8sf2): Change attr "type" to "sseadd".
4495         (sse3_addsubv2df3): Set attr "atom_unit".
4496         (sse3_h<plusminus_insn>v4sf3): Likewise.
4497         (*sse2_pmaddwd): Likewise.
4498         (*vec_extractv2di_1_rex64): Likewise.
4499         (*vec_extractv2di_1_avx): Likewise.
4500         (sse2_psadbw): Likewise.
4501         (ssse3_phaddwv8hi3): Likewise.
4502         (ssse3_phaddwv4hi3): Likewise.
4503         (ssse3_phadddv4si3): Likewise.
4504         (ssse3_phadddv2si3): Likewise.
4505         (ssse3_phaddswv8hi3): Likewise.
4506         (ssse3_phaddswv4hi3): Likewise.
4507         (ssse3_phsubwv8hi3): Likewise.
4508         (ssse3_phsubwv4hi3): Likewise.
4509         (ssse3_phsubdv4si3): Likewise.
4510         (ssse3_phsubdv2si3): Likewise.
4511         (ssse3_phsubswv8hi3): Likewise.
4512         (ssse3_phsubswv4hi3): Likewise.
4513         (ssse3_pmaddubsw128): Likewise.
4514         (sse3_pmaddubsw: Likewise.
4515         (ssse3_palignrti): Likewise.
4516         (ssse3_palignrdi): Likewise.
4518 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
4520         * doc/install.texi (Specific): Fix two cross-references to MinGW.
4522 2009-04-06  Richard Guenther  <rguenther@suse.de>
4524         PR tree-optimization/28868
4525         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
4526         of which PHI results we inserted.
4527         (insert_into_preds_of_block): Record inserted PHIs.
4528         (eliminate): Eliminate redundant PHI nodes.
4529         (init_pre): Init inserted_phi_names.
4531 2009-04-06  Richard Guenther  <rguenther@suse.de>
4533         PR tree-optimization/39643
4534         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
4535         IMAGPART_EXPRs of complex constants.
4536         (execute_fold_all_builtins): If we folded a call queue
4537         TODO_update_address_taken.
4539 2009-04-06  Jan Hubicka  <jh@suse.cz>
4541         PR middle-end/39659
4542         * except.c (remove_unreachable_regions): Propagate may_contain_throw
4543         flag.
4545 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
4547         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
4548         delay slot.
4549         (ic_invalidate_array): Likewise.
4551 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
4553         * calls.c (emit_library_call_value_1): Fix a problem with parameter
4554         alignment for library calls.
4556 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
4558         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
4559         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
4560         * config/i386/mingw-stdint.h:  New file.
4562 2009-04-05  Richard Guenther  <rguenther@suse.de>
4564         PR tree-optimization/39648
4565         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
4566         our &A vs. &A[0] IL deficiencies.
4568 2009-04-04  Jan Hubicka  <jh@suse.cz>
4570         * except.c (sjlj_find_directly_reachable_regions): Be ready for
4571         removed toplevel regions.
4572         (sjlj_mark_call_sites): Likewise.
4574 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
4576         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
4577         (cygwin tm clause use_gcc_stdint):  Set to wrap.
4578         * config/i386/cygwin-stdint.h:  New file.
4580 2009-04-04  Richard Guenther  <rguenther@suse.de>
4582         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
4583         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
4584         single-argument PHIs if we are in loop-closed SSA form.
4585         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
4586         for the pre-condition.
4587         (slpeel_tree_peel_loop_to_edge): Likewise.
4588         (vect_build_loop_niters): Take an optional sequence to append stmts.
4589         (vect_generate_tmps_on_preheader): Likewise.
4590         (vect_do_peeling_for_loop_bound): Take extra guards for the
4591         pre-condition.
4592         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
4593         the cost model check.
4594         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
4595         guards if we are going to peel.  Do not apply versioning in that case.
4596         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
4597         (vect_do_peeling_for_loop_bound): Likewise.
4598         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
4599         loop bound only record extra pre-conditions, do not apply loop
4600         versioning.
4602 2009-04-04  Richard Guenther  <rguenther@suse.de>
4604         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
4605         renaming code.
4607 2009-04-04  Jan Hubicka  <jh@suse.cz>
4609         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
4610         last_basic_block for size of bb->index indexed array.
4611         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
4612         compute_out, link_btr_uses, build_btr_def_use_webs,
4613         build_btr_def_use_webs, migrate_btr_defs): Likewise.
4615 2009-04-04  Jan Hubicka  <jh@suse.cz>
4617         * except.c (remove_eh_handler_and_replace): Break out from ...
4618         (remove_eh_handler): ... here.
4619         (bring_to_root): New function.
4620         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
4621         handled ones, bring others to root of tree.
4623 2009-04-04  Jan Hubicka  <jh@suse.cz>
4625         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
4626         (all_phis_safe_to_merge): New function.
4627         (update_info): New structure.
4628         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
4629         (cleanup_empty_eh): Update SSA if possible.
4631 2009-04-04  Richard Guenther  <rguenther@suse.de>
4633         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
4634         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
4635         (append_vuse): Likewise.
4637 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
4639         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
4640         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
4641         instead of REG_UNSAVED for DW_CFA_undefined.
4642         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
4643         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
4644         outermost frame.
4646 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
4648         PR target/39501
4649         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
4650         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
4651         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
4653 2009-04-04  Richard Guenther  <rguenther@suse.de>
4655         PR tree-optimization/8781
4656         PR tree-optimization/37892
4657         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
4658         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
4659         (valueize_refs): Call it for *& valueizations.
4660         (shared_reference_ops_from_ref): Rename to ...
4661         (valueize_shared_reference_ops_from_ref): ... this and valueize.
4662         (shared_reference_ops_from_call): Rename to ...
4663         (valueize_shared_reference_ops_from_call): ... this and valueize.
4664         (vn_reference_lookup): Update.
4665         (visit_reference_op_call): Likewise.
4666         * tree-ssa-pre.c (phi_translate_1): Fold *&.
4667         (eliminate): Value-replace the call address in call statements.
4669 2009-04-04  Richard Guenther  <rguenther@suse.de>
4671         PR tree-optimization/39636
4672         * tree-ssa-forwprop.c
4673         (forward_propagate_addr_into_variable_array_index): Check for
4674         GIMPLE_ASSIGN before accessing the rhs code.
4676 2009-04-03  Jason Merrill  <jason@redhat.com>
4678         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
4680 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
4682         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
4683         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
4684         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
4685         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
4686         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
4687         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
4688         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
4689         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
4690         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
4691         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
4692         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
4693         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
4694         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
4695         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
4696         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
4697         Use fr_reg_or_fp01_operand instead of fr_register_operand
4699         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
4700         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
4701         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
4703 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
4705         PR rtl-optimization/39607
4706         PR rtl-optimization/39631
4708         Revert:
4710         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
4711         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
4712         instead of DF_LR_OUT.
4713         * ira-lives.c (process_bb_node_lives): Ditto.
4714         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
4715         instead of DF_LR_{OUT,IN}.
4716         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
4717         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
4719 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
4721         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
4722         (execute_lower_omp): Always run but take the short way out if -fopenmp
4723         is not given.
4724         (gate_lower_omp): Remove, forcing the pass manager to always run the
4725         pass and always set PROP_gimple_lomp.
4726         (pass_lower_omp): Remove gate function.
4727         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
4728         PROP_trees.  Instead, require it.
4729         * ipa-cp.c (pass_ipa_cp): Likewise.
4730         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
4731         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
4732         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
4733         and PROP_gimple_leh.
4735 2009-04-03  Richard Guenther  <rguenther@suse.de>
4737         PR middle-end/13146
4738         PR tree-optimization/23940
4739         PR tree-optimization/33237
4740         PR middle-end/33974
4741         PR middle-end/34093
4742         PR tree-optimization/36201
4743         PR tree-optimization/36230
4744         PR tree-optimization/38049
4745         PR tree-optimization/38207
4746         PR tree-optimization/38230
4747         PR tree-optimization/38301
4748         PR tree-optimization/38585
4749         PR middle-end/38895
4750         PR tree-optimization/38985
4751         PR tree-optimization/39299
4752         * tree-ssa-structalias.h: Remove.
4753         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
4754         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
4755         (struct vuse_element_d): Remove.
4756         (struct vuse_vec_d): Likewise.
4757         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
4758         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
4759         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
4760         VUSE_ELEMENT_VAR): Likewise.
4761         (struct voptype_d): Likewise.
4762         (NUM_VOP_FREE_BUCKETS): Likewise.
4763         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
4764         (struct stmt_operands_d): Remove.
4765         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
4766         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
4767         VDEF_NUM, VDEF_VECT): Likewise.
4768         (copy_virtual_operands): Remove.
4769         (operand_build_cmp): Likewise.
4770         (create_ssa_artificial_load_stmt): Likewise.
4771         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
4772         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
4773         vuse_index and mayuse_index members.  Pack and move done and iter_type
4774         members to the front.
4775         (SSA_OP_VMAYUSE): Remove.
4776         (SSA_OP_VIRTUAL_USES): Adjust.
4777         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
4778         (unlink_stmt_vdef): Declare.
4779         (add_to_addressable_set): Remove.
4780         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
4781         (vrp_visit_stmt): Likewise.
4782         * doc/tree-ssa.texi (Alias analysis): Update.
4783         * doc/invoke.texi (max-aliased-vops): Remove docs.
4784         (avg-aliased-vops): Likewise.
4785         * tree-into-ssa.c (syms_to_rename): Remove.
4786         (need_to_update_vops_p): Likewise.
4787         (need_to_initialize_update_ssa_p): Rename to ...
4788         (update_ssa_initialized_fn): ... this.  Track function we are
4789         initialized for.
4790         (symbol_marked_for_renaming): Simplify.
4791         (add_new_name_mapping): Do not set need_to_update_vops_p.
4792         (dump_currdefs): Use SYMS_TO_RENAME.
4793         (rewrite_update_stmt): Always walk all uses/defs.
4794         (dump_update_ssa): Adjust.
4795         (init_update_ssa): Take function argument.  Track what we are
4796         initialized for.
4797         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
4798         (create_new_def_for): Initialize for cfun, assert we are initialized
4799         for cfun.
4800         (mark_sym_for_renaming): Simplify.
4801         (mark_set_for_renaming): Do not initialize update-ssa.
4802         (need_ssa_update_p): Simplify.  Take function argument.
4803         (name_mappings_registered_p): Assert we ask for the correct function.
4804         (name_registered_for_update_p): Likewise.
4805         (ssa_names_to_replace): Likewise.
4806         (release_ssa_name_after_update_ssa): Likewise.
4807         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
4808         (dump_decl_set): Do not print a newline.
4809         (debug_decl_set): Do it here.
4810         (dump_update_ssa): And here.
4811         * tree-ssa-loop-im.c (move_computations): Adjust.
4812         (movement_possibility): Likewise.
4813         (determine_max_movement): Likewise.
4814         (gather_mem_refs_stmt): Likewise.
4815         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
4816         or NAME_MEMORY_TAG.
4817         * tree-complex.c (update_all_vops): Remove.
4818         (expand_complex_move): Adjust.
4819         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
4820         Simplify test for memory referencing statement.  Exclude
4821         non-invariant ADDR_EXPRs.
4822         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
4823         * tree-loop-distribution.c (generate_memset_zero): Adjust.
4824         (rdg_flag_uses): Likewise.
4825         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
4826         related code.
4827         (tree_optimize_tail_calls_1): Also split the
4828         edge from the entry block if we have degenerate PHI nodes in
4829         the first basic block.
4830         * tree.c (init_ttree): Remove memory-tag related code.
4831         (tree_code_size): Likewise.
4832         (tree_node_structure): Likewise.
4833         (build7_stat): Re-write to be build6_stat.
4834         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
4835         (SSA_VAR_P): Adjust.
4836         (struct tree_memory_tag): Remove.
4837         (struct tree_memory_partition_tag): Likewise.
4838         (union tree_node): Adjust.
4839         (build7): Re-write to be build6.
4840         * tree-pass.h (pass_reset_cc_flags): Remove.
4841         (TODO_update_address_taken): New flag.
4842         (pass_simple_dse): Remove.
4843         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
4844         * params.h (MAX_ALIASED_VOPS): Remove.
4845         (AVG_ALIASED_VOPS): Likewise.
4846         * omp-low.c (expand_omp_taskreg): Update SSA form.
4847         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
4848         aliases the lhs in a copy stmt.
4849         * tree-ssa-dse.c (struct address_walk_data): Remove.
4850         (memory_ssa_name_same): Likewise.
4851         (memory_address_same): Likewise.
4852         (get_kill_of_stmt_lhs): Likewise.
4853         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
4854         unused stores.  Look through PHI nodes into post-dominated regions.
4855         (dse_optimize_stmt): Simplify.  Properly remove stores.
4856         (tree_ssa_dse): Compute dominators.
4857         (execute_simple_dse): Remove.
4858         (pass_simple_dse): Likewise.
4859         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
4860         gimple_loaded_syms and gimple_stored_syms computation.
4861         * toplev.c (dump_memory_report): Dump alias and pta stats.
4862         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
4863         (vn_reference_eq): Likewise.
4864         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
4865         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
4866         valueize_vuses): Remove.
4867         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
4868         (get_def_ref_stmt_vuse): ... this.
4869         (vn_reference_lookup_2): New function.
4870         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
4871         walking equivalent vuses.  Simplify.
4872         (vn_reference_lookup): Likewise.
4873         (vn_reference_insert): Likewise.
4874         (vn_reference_insert_pieces): Likewise.
4875         (visit_reference_op_call): Simplify.
4876         (visit_reference_op_load): Likewise.
4877         (visit_reference_op_store): Likewise.
4878         (init_scc_vn): Remove shared_lookup_vuses initialization.
4879         (free_scc_vn): Remove shared_lookup_vuses freeing.
4880         (sort_vuses, sort_vuses_heap): Remove.
4881         (get_ref_from_reference_ops): Export.
4882         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
4883         vector with single vuse pointer.
4884         (vn_reference_lookup_pieces, vn_reference_lookup,
4885         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
4886         (shared_vuses_from_stmt): Remove.
4887         (get_ref_from_reference_ops): Declare.
4888         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
4889         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
4890         memory-tag related code.
4891         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
4892         (likely_value): Add comment, skip static-chain of call statements.
4893         (surely_varying_stmt_p): Adjust.
4894         (gimplify_and_update_call_from_tree): Likewise.
4895         (execute_fold_all_builtins): Do not rebuild alias info.
4896         (gimplify_and_update_call_from_tree): Properly update VOPs.
4897         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
4898         (copy_ref_info): Remove memory-tag related code.
4899         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
4900         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
4901         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
4902         computation.
4903         * tree-ssa-dom.c (gimple_p): Remove typedef.
4904         (eliminate_redundant_computations): Adjust.
4905         (record_equivalences_from_stmt): Likewise.
4906         (avail_expr_hash): Likewise.
4907         (avail_expr_eq): Likewise.
4908         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
4909         (stmt_makes_single_load): Likewise.
4910         (stmt_makes_single_store): Likewise.
4911         * tree-ssa-alias.c: Rewrite completely.
4912         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
4913         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
4914         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
4915         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
4916         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
4917         Remove public functions.
4918         (pass_reset_cc_flags): Remove.
4919         (pass_build_alias): Move ...
4920         * tree-ssa-structalias.c (pass_build_alias): ... here.
4921         * tree-ssa-alias.c (may_be_aliased): Move ...
4922         * tree-flow-inline.h (may_be_aliased): ... here.
4923         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
4924         count_uses_and_derefs): Move ...
4925         * gimple.c: ... here.
4926         * gimple.h (count_uses_and_derefs): Declare.
4927         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
4928         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
4929         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
4930         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
4931         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
4932         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
4933         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
4934         New functions.
4935         * tree-dfa.c (refs_may_alias_p): Move ...
4936         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
4937         * tree-ssa-alias.h: New file.
4938         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
4939         (statement_sink_location): Likewise.
4940         * opts.c (decode_options): Do not adjust max-aliased-vops or
4941         avg-aliased-vops values.
4942         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
4943         (TV_CALL_CLOBBER): Likewise.
4944         (TV_FLOW_SENSITIVE): Likewise.
4945         (TV_FLOW_INSENSITIVE): Likewise.
4946         (TV_MEMORY_PARTITIONING): Likewise.
4947         (TV_ALIAS_STMT_WALK): New timevar.
4948         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
4949         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
4950         (get_address_description): Remove memory-tag related code.
4951         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
4952         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
4953         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
4954         and immediate uses in statements.  Document.
4955         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
4956         (dump_symbols): Remove.
4957         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
4958         * alias.c (get_deref_alias_set): New function split out from ...
4959         (get_alias_set): ... here.
4960         * alias.h (get_deref_alias_set): Declare.
4961         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
4962         type parameter.  Remove restrict pointer handling.  Create a
4963         ref-all pointer in case type-based alias sets do not conflict.
4964         (vect_analyze_data_refs): Remove SMT related code.
4965         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
4966         (vectorizable_load): Likewise.
4967         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
4968         (DR_SYMBOL_TAG, DR_VOPS): Remove.
4969         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
4970         Ignore vops and SMTs.
4971         (dr_analyze_alias): Likewise..
4972         (free_data_ref): Likewise.
4973         (create_data_ref): Likewise.
4974         (analyze_all_data_dependences): Likewise.
4975         (get_references_in_stmt): Adjust.
4976         * tree-flow-inline.h (gimple_aliases_computed_p,
4977         gimple_addressable_vars, gimple_call_clobbered_vars,
4978         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
4979         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
4980         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
4981         gimple_mem_ref_stats): Remove.
4982         (gimple_vop): New function.
4983         (op_iter_next_use): Remove vuses and mayuses cases.
4984         (op_iter_next_def): Remove vdefs case.
4985         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
4986         (clear_and_done_ssa_iter): Do not set removed fields.
4987         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
4988         Assert we are not iterating over vuses or vdefs if not also
4989         iterating over uses or defs.
4990         (op_iter_init_use): Likewise.
4991         (op_iter_init_def): Likewise.
4992         (op_iter_next_vdef): Remove.
4993         (op_iter_next_mustdef): Likewise.
4994         (op_iter_init_vdef): Likewise.
4995         (compare_ssa_operands_equal): Likewise.
4996         (link_use_stmts_after): Handle vuse operand.
4997         (is_call_used): Use is_call_clobbered.
4998         (is_call_clobbered): Global variables are always call clobbered,
4999         query the call-clobbers bitmap.
5000         (mark_call_clobbered): Ignore global variables.
5001         (clear_call_clobbered): Likewise.
5002         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
5003         virtual operands sanity check.
5004         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
5005         Remove.
5006         (TARGET_MEM_REF): Remove TMR_TAG operand.
5007         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
5008         Remove call-clobber related code.
5009         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
5010         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
5011         partitions or escape reason.
5012         (get_single_def_stmt, get_single_def_stmt_from_phi,
5013         get_single_def_stmt_with_phi): Remove.
5014         (dump_referenced_vars): Tidy.
5015         (get_ref_base_and_extent): Allow bare decls.
5016         (collect_dfa_stats): Adjust.
5017         * graphite.c (rename_variables_in_stmt): Adjust.
5018         (graphite_copy_stmts_from_block): Likewise.
5019         (translate_clast): Likewise.
5020         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
5021         (EXPR_DIES): New.
5022         (translate_vuse_through_block): Use the oracle.
5023         (phi_translate_1): Adjust.
5024         (value_dies_in_block_x): Use the oracle.  Cache the outcome
5025         in EXPR_DIES.
5026         (valid_in_sets): Check if the VUSE for
5027         a REFERENCE is available.
5028         (eliminate): Do not remove stmts during elimination,
5029         instead queue and remove them afterwards.
5030         (do_pre): Do not rebuild alias info.
5031         (pass_pre): Run TODO_rebuild_alias before PRE.
5032         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
5033         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
5034         (mark_all_v_defs_stmt): Remove.
5035         (mark_all_v_defs_seq): Adjust.
5036         (sra_replace): Likewise.
5037         (scalarize_use): Likewise.
5038         (scalarize_copy): Likewise.
5039         (scalarize_init): Likewise.
5040         (scalarize_ldst): Likewise.
5041         (todoflags): Remove.
5042         (tree_sra): Do not rebuild alias info.
5043         (tree_sra_early): Adjust.
5044         (pass_sra): Run TODO_update_address_taken before SRA.
5045         * tree-predcom.c (set_alias_info): Remove.
5046         (prepare_initializers_chain): Do not call it.
5047         (mark_virtual_ops_for_renaming): Adjust.
5048         (mark_virtual_ops_for_renaming_list): Remove.
5049         (initialize_root_vars): Adjust.
5050         (initialize_root_vars_lm): Likewise.
5051         (prepare_initializers_chain): Likewise.
5052         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
5053         (may_propagate_copy_into_stmt): Likewise.
5054         (merge_alias_info): Do nothing for now.
5055         (propagate_tree_value_into_stmt): Adjust.
5056         (stmt_may_generate_copy): Likewise.
5057         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
5058         not mark symbols for renaming.
5059         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
5060         with the same statement, make sure to update the new pointed-to one.
5061         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
5062         call statements, do not mark symbols for renaming.
5063         (mark_operand_necessary): Dump something.
5064         (ref_may_be_aliased): New function.
5065         (mark_aliased_reaching_defs_necessary_1): New helper function.
5066         (mark_aliased_reaching_defs_necessary): Likewise.
5067         (mark_all_reaching_defs_necessary_1): Likewise.
5068         (mark_all_reaching_defs_necessary): Likewise.
5069         (propagate_necessity): Do not process virtual PHIs.  For
5070         non-aliased loads mark all reaching definitions as necessary.
5071         For aliased loads and stores mark the immediate dominating
5072         aliased clobbers as necessary.
5073         (visited): New global static.
5074         (perform_tree_ssa_dce): Free visited bitmap after propagating
5075         necessity.
5076         (remove_dead_phis): Perform simple dead virtual PHI removal.
5077         (remove_dead_stmt): Properly unlink virtual operands when
5078         removing stores.
5079         (eliminate_unnecessary_stmts): Schedule PHI removal after
5080         stmt removal.
5081         * tree-ssa-ter.c (is_replaceable_p): Adjust.
5082         (process_replaceable): Likewise.
5083         (find_replaceable_in_bb): Likewise.
5084         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
5085         based on the single gimple vop.
5086         (verify_flow_insensitive_alias_info): Remove.
5087         (verify_flow_sensitive_alias_info): Likewise.
5088         (verify_call_clobbering): Likewise.
5089         (verify_memory_partitions): Likewise.
5090         (verify_alias_info): Likewise.
5091         (verify_ssa): Adjust..
5092         (execute_update_addresses_taken): Export.  Update SSA
5093         manually.  Optimize only when optimizing.  Use a local bitmap.
5094         (pass_update_address_taken): Remove TODO_update_ssa, add
5095         TODO_dump_func.
5096         (pass_update_address_taken): Just use TODO_update_address_taken.
5097         (init_tree_ssa): Do not initialize addressable_vars.
5098         (verify_ssa): Verify new VUSE / VDEF properties.
5099         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
5100         Do not call verify_alias_info.
5101         (delete_tree_ssa): Clear the VUSE, VDEF operands.
5102         Do not free the loaded and stored syms bitmaps.  Reset the escaped
5103         and callused solutions.  Do not free addressable_vars.
5104         Remove memory-tag related code.
5105         (warn_uninitialized_var): Aliases are always available.
5106         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
5107         * lambda-code.c (can_put_in_inner_loop): Adjust.
5108         (can_put_after_inner_loop): Likewise.
5109         (perfect_nestify): Likewise.
5110         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
5111         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
5112         (vectorizable_conversion): Do not mark symbols for renaming.
5113         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
5114         (expand_call_inline): Unlink the calls virtual operands before
5115         replacing it.
5116         (tree_function_versioning): Do not call update_ssa if we are not
5117         updating clones.  Simplify.
5118         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
5119         (propagate_with_phi): Likewise..
5120         * tree-outof-ssa.c (create_temp): Remove memory tag and call
5121         clobber code.  Assert we are not aliased or global.
5122         * tree-flow.h: Include tree-ssa-alias.h
5123         (enum escape_type): Remove.
5124         (struct mem_sym_stats_d): Likewise.
5125         (struct mem_ref_stats_d): Likewise.
5126         (struct gimple_df): Add vop member.  Remove global_var,
5127         call_clobbered_vars, call_used_vars, addressable_vars,
5128         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
5129         escaped and callused members.
5130         (struct ptr_info_def): Remove all members, add points-to solution
5131         member pt.
5132         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
5133         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
5134         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
5135         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
5136         (tree-ssa-alias.o): Likewise.
5137         (toplev.o): Add tree-ssa-alias.h
5138         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
5139         * gimple.c (gimple_set_bb): Fix off-by-one error.
5140         (is_gimple_reg): Do not handle memory tags.
5141         (gimple_copy): Also copy virtual operands.
5142         Delay updating the statement.  Do not reset loaded and stored syms.
5143         (gimple_set_stored_syms): Remove.
5144         (gimple_set_loaded_syms): Likewise.
5145         (gimple_call_copy_skip_args): Copy the virtual operands
5146         and mark the new statement modified.
5147         * tree-ssa-structalias.c (may_alias_p): Remove.
5148         (set_uids_in_ptset): Take the alias set to prune with as
5149         parameter.  Fold in the alias test of may_alias_p.
5150         (compute_points_to_sets): Compute whether a ptr is dereferenced
5151         in a local sbitmap.
5152         (process_constraint): Deal with &ANYTHING on the lhs, reject all
5153         other ADDRESSOF constraints on the lhs.
5154         (get_constraint_for_component_ref): Assert that we don't get
5155         ADDRESSOF constraints from the base of the reference.
5156         Properly generate UNKNOWN_OFFSET for DEREF if needed.
5157         (struct variable_info): Remove collapsed_to member.
5158         (get_varinfo_fc): Remove.
5159         (new_var_info): Do not set collapsed_to.
5160         (dump_constraint): Do not follow cycles.
5161         (dump_constraint_graph): Likewise.
5162         (build_pred_graph): Likewise.
5163         (build_succ_graph): Likewise.
5164         (rewrite_constraints): Likewise.
5165         (do_simple_structure_copy): Remove.
5166         (do_rhs_deref_structure_copy): Remove.
5167         (do_lhs_deref_structure_copy): Remove.
5168         (collapse_rest_of_var): Remove.
5169         (do_structure_copy): Re-implement.
5170         (pta_stats): New global variable.
5171         (dump_pta_stats): New function.
5172         (struct constraint_expr): Make offset signed.
5173         (UNKNOWN_OFFSET): Define special value.
5174         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
5175         (solution_set_expand): New helper function split out from ...
5176         (do_sd_constraint): ... here.
5177         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
5178         (do_ds_constraint): Likewise.
5179         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
5180         and CALLUSED = *CALLUSED.
5181         (set_union_with_increment): Make inc argument signed.
5182         (type_safe): Remove.
5183         (get_constraint_for_ptr_offset): Handle unknown and negative
5184         constant offsets.
5185         (first_vi_for_offset): Handle offsets before start.  Bail
5186         out early for offsets beyond the variable extent.
5187         (first_or_preceding_vi_for_offset): New function.
5188         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
5189         Together with ESCAPED = *ESCAPED this properly computes reachability.
5190         (find_what_var_points_to): New function.
5191         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
5192         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
5193         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
5194         pt_solutions_intersect): New functions.
5195         (compute_call_used_vars): Remove.
5196         (compute_may_aliases): New main entry into PTA computation.
5197         * gimple.h (gimple_p): New typedef.
5198         (struct gimple_statement_base): Remove references_memory_p.
5199         (struct gimple_statement_with_memory_ops_base): Remove
5200         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
5201         members.
5202         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
5203         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
5204         gimple_set_references_memory): Remove.
5205         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
5206         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
5207         New functions.
5208         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
5209         (verify_expr): Allow RESULT_DECL.
5210         (gimple_duplicate_bb): Do not copy virtual operands.
5211         (gimple_duplicate_sese_region): Adjust.
5212         (gimple_duplicate_sese_tail): Likewise.
5213         (mark_virtual_ops_in_region): Remove.
5214         (move_sese_region_to_fn): Do not call it.
5215         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
5216         and pass_simple_dse.
5217         (execute_function_todo): Handle TODO_update_address_taken,
5218         call execute_update_addresses_taken for TODO_rebuild_alias.
5219         (execute_todo): Adjust.
5220         (execute_one_pass): Init dump files early.
5221         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
5222         call-clobbered.
5223         (create_general_new_stmt): Clear vops.
5224         * tree-ssa-reassoc.c (get_rank): Adjust.
5225         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
5226         symbols for renaming.
5227         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
5228         (PARAM_AVG_ALIASED_VOPS): Likewise.
5229         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
5230         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
5231         * tree-ssa-operands.c: Simplify for new virtual operand representation.
5232         (operand_build_cmp, copy_virtual_operands,
5233         create_ssa_artificial_load_stmt, add_to_addressable_set,
5234         gimple_add_to_addresses_taken): Remove public functions.
5235         (unlink_stmt_vdef): New function.
5237 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5239         * config.gcc (powerpc-*-linux*): Merge variants.
5241 2009-04-02  Chao-ying Fu  <fu@mips.com>
5242             James Grosbach  <james.grosbach@microchip.com>
5244         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
5245         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
5246         cop0_sp_offset.
5247         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
5248         keep_interrupts_masked_p, use_debug_exception_return_p.
5249         (mips_attribute_table): Add interrupt, use_shadow_register_set,
5250         keep_interrupts_masked, use_debug_exception_return.
5251         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
5252         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
5253         New functions.
5254         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
5255         (mips_print_operand): Process COP0 registers to print $0 .. $31
5256         correctly for GAS to process.
5257         (mips_interrupt_extra_call_saved_reg_p): New function.
5258         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
5259         extra registers.
5260         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5261         (mips_compute_frame_info): Add supports for interrupt context that
5262         includes doubleword accumulators and COP0 registers.
5263         (mips_for_each_saved_acc): New function.
5264         (mips_for_each_saved_gpr_and_fpr): Change the function name from
5265         mips_for_each_saved_reg.
5266         (mips_save_reg): Save accumulators.
5267         (mips_kernel_reg_p): A new for_each_rtx callback.
5268         (mips_expand_prologue): Support interrupt handlers.
5269         (mips_restore_reg): Restore accumulators.
5270         (mips_expand_epilogue): Support interrupt handlers.
5271         (mips_can_use_return_insn): Return false for interrupt handlers.
5272         (mips_epilogue_uses): New function.
5273         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
5274         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
5275         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
5276         cop0_move): New instructions.
5277         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
5278         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
5279         defines.
5280         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
5281         New defines.
5282         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
5283         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
5284         interrupt handlers, we use K0 as the temporary register.
5285         (EPILOGUE_USES): Change to a function call.
5286         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
5287         handlers, we use K0 as the temporary register.
5289         * doc/extend.texi (Function Attributes): Document interrupt,
5290         use_shadow_register_set, keep_interrupts_masked,
5291         use_debug_exception_return for MIPS attributes.
5293 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5295         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
5296         Remove a number of t-files from tmake_file.
5297         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
5298         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
5299         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
5300         target_prototype, not TARGET_PROTOTYPE.
5301         (LINK_OS_GNU_SPEC): Define.
5302         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
5303         and darwin-ldoubdle.c.
5305 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
5307         PR driver/39293
5308         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
5309         (cpp_options): Ditto.
5310         (default_compilers): Ditto.
5311         (display_help): Ditto.
5312         (process_command): Ditto.
5313         (do_spec_1): Ditto.
5314         (set_input): Use lbasename instead of duplicate code.
5315         (save_temps_prefix): New static for -save-temps=obj.
5316         (save_temps_length): Ditto.
5318         * doc/invoke.texi (-save-temps=obj): Document new variant to
5319         -save-temps switch.
5321 2009-04-02  Jeff Law  <law@redhat.com>
5323         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
5324         variable.
5326 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5328         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
5329         * configure: Regenerated.
5331 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5333         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
5334         share the argument list.
5336 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5338         Merge
5340         2009-02-12  Diego Novillo  <dnovillo@google.com>
5342         * varpool.c (debug_varpool): New.
5343         * cgraph.h (debug_varpool): Declare.
5345 2009-04-02  Jan Hubicka  <jh@suse.cz>
5347         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
5348         pass.
5350 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5352         * config/i386/i386.c (ix86_abi): Move initialization to ...
5353         (override_options): Here.
5355 2009-04-02  Christian Bruel  <christian.bruel@st.com>
5357         * config/sh/sh.c (sh_dwarf_register_span): New function.
5358         (TARGET_DWARF_REGISTER_SPAN): Define.
5359         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
5361 2009-04-02  Ira Rosen  <irar@il.ibm.com>
5363         PR tree-optimization/39595
5364         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
5365         interleaved loads group is not  greater than the SLP group size.
5367 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5369         * builtins.c (is_builtin_name): New.
5370         (called_as_built_in): Use is_builtin_name.
5371         * tree.h (is_builtin_name): New.
5372         * varasm.c (incorporeal_function_p): Use is_builtin_name
5374 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
5376         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
5378 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
5380         PR c++/26693
5381         * c-decl.c (clone_underlying_type): Move this ...
5382         * c-common.c (set_underlying_type): ... here.
5383         Also, make sure the function properly sets TYPE_STUB_DECL() on
5384         the newly created typedef variant type.
5385         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
5386         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
5387         points.
5389 2009-04-02  Richard Guenther  <rguenther@suse.de>
5391         PR tree-optimization/37221
5392         * tree-flow.h (degenerate_phi_result): Declare.
5393         * tree-ssa-dom.c (degenerate_phi_result): Export.
5394         * tree-scalar-evolution.c (analyze_initial_condition): If
5395         the initial condition is defined by a degenerate PHI node
5396         use the degenerate value.
5398 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
5400         PR rtl-optimization/39588
5401         * combine.c (merge_outer_ops): Do not set the constant when this
5402         is not necessary.
5403         (simplify_shift_const_1): Do not modify it either in this case.
5405 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5407         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
5408         tuning is deprecated if -mtune value is set to an Itanium1 variant.
5410 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
5412         PR c/29027
5413         * c-lex.c (interpret_float): Default (no suffix) is double.
5415 2009-04-1  Xinliang David Li  <davidxl@google.com>
5417         * config/i386/i386.c (legitimate_constant_p): Recognize
5418         all one vector constant.
5420 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5422         * config/vax/vax.c: Add #includes to silence warnings.
5423         Change #include order to silence two warnings.
5425 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5427         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
5428         (ASM_SPEC): Pass -k to the assembler for PIC code.
5430 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5432         * config.gcc: Add vax-*-linux* to the switch.
5433         * config/vax/linux.h: New file. (TARGET_VERSION,
5434         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
5436 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5438         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
5439         Use predicate macros instead of GET_CODE() == foo.
5440         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
5441         ashlsi3, rotrsi3, <unnamed>): Likewise.
5443 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5445         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
5446         jbbccihi, jbbccisi): Remova trailing whitespace.
5447         * config/vax/constraints.md: Likewise.
5448         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5449         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
5450         * config/vax/predicates.md: Likewise.
5451         * config/vax/vax.c (print_operand_address, vax_output_int_move,
5452         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
5453         * config/vax/vax.h: Likewise.
5454         * config/vax/vax.md (nonlocal_goto): Likewise.
5456 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5458         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
5459         (indirectable_address_p, adjacent_operands_p): Add spaces around
5460         braces.
5461         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
5463 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5465         * config/vax/vax.c (legitimate_constant_address_p,
5466         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
5467         index_term_p, reg_plus_index_p, legitimate_address_p,
5468         vax_mode_dependent_address_p): Update comments to match functions
5469         modified by the recent int->bool conversion.
5471 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5473         * config/vax/builtins.md: Update copyright message.
5474         * config/vax/constraints.md: Likewise.
5475         * config/vax/netbsd-elf.h: Likewise.
5476         * config/vax/predicates.md: Likewise.
5477         * config/vax/vax-protos.h: Likewise.
5478         * config/vax/vax.c: Likewise.
5479         * config/vax/vax.h: Likewise.
5480         * config/vax/vax.md: Likewise.
5481         * config/vax/vax.opt: Likewise.
5483 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5485         * config/vax/builtins.md (ffssi2, ffssi2_internal,
5486         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
5487         * config/vax/constraints.md (B, R): Likewise.
5488         * config/vax/predicates.md (external_memory_operand,
5489         nonimmediate_addsub_di_operand): Likewise.
5490         * config/vax/vax.c (vax_output_int_add): Likewise.
5491         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
5492         untyped_call): Likewise.
5494 2009-04-01  Matt Thomas  <matt@3am-software.com>
5496         * config/vax/predicates.md: New file.
5497         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
5498         external_const_operand, nonsymbolic_operand, external_memory_operand,
5499         indirect_memory_operand, indexed_memory_operand,
5500         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
5501         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
5502         predicate.
5503         * config/vax/constraints.md: New file.
5504         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
5505         New constraint.
5506         * config/vax/builtins.md: New file.
5507         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
5508         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
5509         jbbccisi): Define.
5510         * config/vax/vax.opt (mqmath): Add option.
5511         * config/vax/vax.md (isfx): Extend with DI.
5512         (VAXintQH, VAXintQHSD): Define.
5513         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
5514         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
5515         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
5516         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
5517         (movdi): Update constraints and use vax_output_int_move().
5518         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
5519         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
5520         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
5521         nonlocal_goto): New.
5522         (mov<mode>): Extend accepted operand types.
5523         (subdi3_old): Rename from subdi3, change update constraints and use
5524         a new implementation.
5525         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
5526         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
5527         MOVE_RATIO, CLEAR_RATIO): Define.
5528         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
5529         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5530         (PRINT_OPERAND): Redefine using a function instead of inlined code.
5531         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
5532         (split_quadword_operands): Make static and really allow variable
5533         splitting.
5534         (print_operand_address): Update for PIC generation.
5535         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
5536         indexable_address_p, fixup_mathdi_operand,
5537         vax_expand_addsub_di_operands, adjacent_operands_p): New.
5538         (vax_float_literal, legitimate_constant_p,
5539         indirectable_constant_address_p, index_term_p,
5540         reg_plus_index_p): Return bool instead of int.
5541         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
5542         where needed.
5543         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
5544         generation.
5545         (vax_output_conditional_branch): Indent.
5546         (legitimate_constant_address_p, indirectable_constant_address_p,
5547         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
5548         vax_mode_dependent_address_p): Return bool instead of int, update for
5549         PIC generation.
5550         * config/vax/vax-protos.h (legitimate_constant_address_p,
5551         legitimate_constant_p, legitimate_address_p,
5552         vax_mode_dependent_address_p): Change declaration to bool.
5553         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
5554         vax_expand_addsub_di_operands, vax_output_int_subtract,
5555         vax_output_movmemsi): Declare.
5556         (split_quadword_operands, vax_float_literal): Delete declaration.
5557         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
5558         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
5559         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
5560         ASM_OUTPUT_DWARF_PCREL): Define.
5561         (ASM_SPEC): Change definition to allow PIC generation.
5563 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
5565         * doc/sourcebuild.texi: Update front-end requirements.
5567 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5569         PR target/39226
5570         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
5571         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
5572         (booldi3_internal3): Use boolean_or_operator instead of
5573         boolean_operator.
5575 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
5577         PR c/39605
5578         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
5579         declarator whose size is not an integer constant expression but
5580         folds to an integer constant, then treat it as a constant
5581         subsequently.
5583 2009-04-01  Richard Guenther  <rguenther@suse.de>
5585         * fold-const.c (fold_plusminus_mult_expr): Do not fold
5586         i * 4 + 2 to (i * 2 + 1) * 2.
5588 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5590         PR c/37772
5591         * c-parser.c (c_parser_asm_statement): Skip until close paren and
5592         return if c_parser_asm_string_literal returned NULL.
5594 2009-04-01  Nick Clifton  <nickc@redhat.com>
5596         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
5597         already defined.
5598         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
5599         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
5600         other typedefs to avoid conflicts with libgcc2.c.  Define labels
5601         to gain 16-bit bit-manipulation functions from libgcc2.c and then
5602         include it.
5603         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
5604         to gain 16-bit trapping arithmetic functions from libgcc2.c and
5605         then include it.
5607 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
5609         * varasm.c (default_function_rodata_section): Declare DOT as
5610         const char*.
5612 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
5613             Andrey Galkin  <agalkin@hypercom.com>
5615         PR/39492
5616         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
5617         Make object_name unique for each process.
5619 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5621         PR other/39591
5622         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
5623         addressable variables in the parallel that could go out of scope while
5624         running queued tasks.
5626 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
5628         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
5629         (CASE_VALUES_THRESHOLD): Redefine.
5630         * config/avr/avr.c (avr_override_options): Remove initialization of
5631         avr_case_values_threshold variable.
5632         (avr_case_values_threshold): Remove variable. Add new function.
5633         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
5634         * config/avr/avr.opt (mno-tablejump): Remove option.
5635         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
5637 2009-04-01  DJ Delorie  <dj@redhat.com>
5639         * varasm.c (default_function_rodata_section): Don't assume
5640         anything about where the first '.' in the section name is.
5642 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
5644         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
5645         rs6000_emit_stack_tie.
5647 2009-03-31  Ian Lance Taylor  <iant@google.com>
5649         * tree-eh.c (tree_remove_unreachable_handlers): Compare
5650         gimple_code with GIMPLE_RESX, not RESX.
5652 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5654         * c-common.c (c_get_ident): New.
5655         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
5657 2009-04-01  Ben Elliston  <bje@au.ibm.com>
5659         * config/rs6000/sysv4.opt (msdata): Improve option description.
5661 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
5663         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
5664         (divdf3_internal_lat): Remove.
5665         (divxf3_internal_lat): Remove.
5666         (divxf3_internal_thr): Remove.
5667         (divxf): Use divxf3_internal.
5668         * config/ia64/div.md (divsf3_internal_lat): New.
5669         (divdf3_internal_lat): New.
5670         (divxf3_internal): New.
5672 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5674         PR c/448
5675         * Makefile.in (USE_GCC_STDINT): Define.
5676         (stmp-int-hdrs): Install stdint.h if applicable.
5677         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
5678         if known.
5679         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
5680         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
5681         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
5682         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5683         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5684         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5685         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5686         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5687         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
5688         (c_common_nodes_and_builtins): Initialize
5689         underlying_wchar_type_node.  Do not initialize
5690         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
5691         nodes for new types.
5692         (c_stddef_cpp_builtins): Define macros for new types.
5693         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
5694         Remove.
5695         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
5696         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
5697         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
5698         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
5699         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
5700         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
5701         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
5702         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
5703         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
5704         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
5705         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
5706         int16_type_node, int32_type_node, int64_type_node,
5707         uint8_type_node, uint16_type_node, c_uint32_type_node,
5708         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
5709         int_least32_type_node, int_least64_type_node,
5710         uint_least8_type_node, uint_least16_type_node,
5711         uint_least32_type_node, uint_least64_type_node,
5712         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
5713         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
5714         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
5715         uintptr_type_node): Define.
5716         * c-cppbuiltin.c (builtin_define_constants,
5717         builtin_define_type_minmax): New.
5718         (builtin_define_stdint_macros): Define more macros.
5719         (c_cpp_builtins): Define more limit macros.
5720         (type_suffix): New.
5721         (builtin_define_type_max): Define in terms of
5722         builtin_define_type_minmax.  Remove is_long parameter.  All
5723         callers changed.
5724         * config.gcc (use_gcc_stdint): Define.
5725         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
5726         Add newlib-stdint.h for generic targets.
5727         * config/glibc-stdint.h, config/newlib-stdint.h,
5728         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
5729         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
5730         * config/score/score.h (UINTPTR_TYPE): Define.
5731         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
5732         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
5733         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5734         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5735         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5736         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5737         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5738         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
5739         * config/spu/spu.h (STDINT_LONG32): Define.
5740         * configure.ac (use_gcc_stdint): Substitute.
5741         * configure: Regenerate.
5742         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
5743         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
5744         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
5745         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
5746         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
5747         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
5748         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
5749         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
5750         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
5751         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
5752         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
5753         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
5754         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
5755         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
5756         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
5757         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
5758         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
5759         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
5760         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
5761         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
5762         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
5763         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
5764         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
5765         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5766         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5767         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5768         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5769         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5770         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
5772 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
5774         * loop-iv.c (suitable_set_for_replacement): Renamed from
5775         simplify_using_assignment; changed to return bool and to accept new
5776         args DEST and SRC.  Return true iff we find a source/destination pair
5777         that can be used to make a replacement, and fill SRC and DEST if so.
5778         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
5779         changed.
5780         (simplify_using_initial_values): Deal with altered regs here and track
5781         more precisely the effect they have on the validity of our expression.
5783         * loop-iv.c (simplify_using_condition): A condition of the form
5784         (EQ REG CONST) can be used to simply make a substitution.
5785         (simplify_using_initial_values): Keep track of conditions we have seen
5786         and keep using them to simplify new expressions, while applying the
5787         same substitutions to them as to the expression.
5789         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5790         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
5791         GEU/LTU reversed.
5793         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
5794         changed.  Use this when trying to improve the upper bound.
5795         Generate the comparison by using simplify_gen_relational.
5797         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
5799         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
5800         functions.
5801         (simplify_using_assignment, simplify_using_initial_values): Call
5802         replace_in_expr to make replacements.  Call replace_single_def_regs
5803         once on the initial version of the expression.
5805 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5807         PR target/27237
5808         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
5810 2009-03-31  Richard Guenther  <rguenther@suse.de>
5812         PR middle-end/31029
5813         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
5814         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
5816 2009-03-31  Richard Guenther  <rguenther@suse.de>
5818         * tree.h (div_if_zero_remainder): Declare.
5819         * fold-const.c (div_if_zero_remainder): Export.
5820         * tree-ssa-forwprop.c
5821         (forward_propagate_addr_into_variable_array_index): Handle
5822         constant array index addition outside of the variable index.
5824 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5826         PR target/39592
5827         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
5828         define_splits, floatunssi<mode>2): Require x87 conversions from
5829         DImode to be permitted.
5831 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5833         PR preprocessor/15638
5834         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
5836 2009-03-31  Richard Guenther  <rguenther@suse.de>
5838         PR middle-end/23401
5839         PR middle-end/27810
5840         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
5841         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
5842         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
5843         a separate statement.
5844         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
5845         (lookup_tmp_var): Likewise.
5846         (is_gimple_formal_tmp_or_call_rhs): Remove.
5847         (is_gimple_reg_or_call_rhs): Rename to ...
5848         (is_gimple_reg_rhs_or_call): ... this.
5849         (is_gimple_mem_or_call_rhs): Rename to ...
5850         (is_gimple_mem_rhs_or_call): ... this.
5851         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
5852         DECL_GIMPLE_REG_P only if is_formal is true.
5853         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
5854         for non-proper post-modify expression gimplification.
5855         (gimplify_self_mod_expr): For post-modify expressions gimplify
5856         the lvalue to a minimal lvalue.
5857         (rhs_predicate_for): Remove formal temp case.
5858         (gimplify_modify_expr_rhs): Likewise.
5859         (gimplify_addr_expr): Use is_gimple_reg.
5860         (gimplify_expr): Remove formal temp cases.
5861         (gimple_regimplify_operands): Likewise.
5862         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
5863         and FILTER_EXPR like constants.
5864         * gimple.c (walk_gimple_op): Fix val_only initialization, use
5865         is_gimple_reg.
5866         (is_gimple_formal_tmp_rhs): Remove.
5867         (is_gimple_reg_rhs): Remove special casing.
5868         (is_gimple_mem_rhs): Fix.
5869         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
5870         (is_gimple_formal_tmp_var): Remove.
5871         (is_gimple_formal_tmp_reg): Likewise.
5872         (is_gimple_min_lval): Allow invariant component ref parts.
5873         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
5874         is_gimple_formal_tmp_reg): Remove declarations.
5875         * tree-cfg.c (verify_expr): Verify that variables with address
5876         taken do not have DECL_GIMPLE_REG_P set.
5877         * tree-mudflap.c (mf_build_check_statement_for): Use
5878         force_gimple_operand instead of gimplify_expr.
5880 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
5882         * modulo-sched.c (sms_schedule_by_order): Pass the actual
5883         schedulable rows to compute_split_row.
5885 2009-03-31  Ben Elliston  <bje@au.ibm.com>
5887         PR target/31635
5888         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
5889         OPT_mvrsave.
5891 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
5893         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
5894         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
5895         * configure: Regenerate.
5896         * config.in: Regenerate.
5897         * config/rs6000/rs6000.opt (mtls-markers): Add.
5898         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
5899         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
5900         (tls_ld_aix, tls_ld_sysv): Likewise.
5901         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
5902         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
5904 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
5906         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
5908 2009-03-30  Jan Hubicka  <jh@suse.cz>
5910         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
5911         out of RESX.
5912         (tree_remove_unreachable_handlers): Cleanup EH predecestor
5913         detection and label handling.
5915 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5917         * ira-int.h (ira_allocno): Rename left_conflicts_num to
5918         left_conflicts_size.
5919         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
5920         ALLOCNO_LEFT_CONFLICTS_SIZE.
5922         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
5923         remove_allocno_from_bucket_and_push,
5924         allocno_spill_priority_compare, push_allocnos_to_stack,
5925         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
5926         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
5927         (setup_allocno_left_conflicts_num): Ditto.  Rename to
5928         setup_allocno_left_conflicts_size.
5929         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
5930         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
5931         setup_allocno_left_conflicts_size instead of
5932         setup_allocno_left_conflicts_num.
5934         * ira-build.c (ira_create_allocno): Use
5935         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
5936         ALLOCNO_LEFT_CONFLICTS_NUM.
5938 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5940         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5941         instead of DF_LR_OUT.
5943         * ira-lives.c (process_bb_node_lives): Ditto.
5945         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5946         instead of DF_LR_{OUT,IN}.
5948         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5950         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5952 2009-03-30  Jan Hubicka  <jh@suse.cz>
5954         * except.c (label_to_region_map): Fix thinko.
5956 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
5958         PR middle-end/38237
5959         * tree.h (tree_find_value): New declaration.
5960         * tree.c (tree_find_value): New function.
5961         * varasm.c (assemble_external): Avoid duplicate entries on lists.
5963 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
5965         PR debug/39563
5966         * c-decl.c (struct c_binding): Add locus field.
5967         (bind): Add locus argument, set locus field from it.
5968         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
5969         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
5970         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
5971         implicitly_declare, undeclared_variable, lookup_label,
5972         declare_label, c_make_fname_decl, c_builtin_function,
5973         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
5974         bind callers.
5976 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
5978         PR target/38781
5979         * config/i386/i386.c (classify_argument): Check total size of
5980         structure.
5982 2009-03-30  Martin Jambor  <mjambor@suse.cz>
5984         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
5985         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
5986         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
5987         respectively.
5989         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
5990         seen_variable_array_ref while also traversing a union.
5992         * tree-inline.c (optimize_inline_calls): Do not call
5993         cgraph_node_remove_callees.
5994         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
5995         (pass_remove_cgraph_callee_edges): New variable.
5996         * passes.c (init_optimization_passes): Add
5997         pass_remove_cgraph_callee_edges after early inlining and before all
5998         late intraprocedural passes.
6000         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
6002 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6004         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
6005         Fix typos in names.
6007 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6009         * combine.c (simplify_comparison): Use have_insn_for.
6010         * dojump.c (do_jump): Likewise.
6012 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6014         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
6015         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
6016         sparc_compare_op0 like sparc_compare_emitted used to be handled.
6017         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
6018         instead of sparc_compare_emitted.
6019         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
6020         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
6021         instead of sparc_compare_emitted.
6023 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6025         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
6026         enter/exit cfglayout mode.
6027         (pass_partition_block): Require it.
6028         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
6029         (combine_instructions): Track basic blocks instead of labels.
6030         (update_cfg_for_uncondjump): New.
6031         (try_combine): Use it.  Update jumps after rescanning.
6032         (pass_combine): Require PROP_cfglayout.
6033         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
6035 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6037         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
6038         Provide/destroy PROP_cfglayout respectively.
6039         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
6040         * tree-pass.h (PROP_cfglayout): New.
6042 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6044         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
6045         fold_convert_const_fixed_from_fixed,
6046         fold_convert_const_fixed_from_int,
6047         fold_convert_const_fixed_from_real, fold_negate_const): Do not
6048         set TREE_CONSTANT_OVERFLOW.
6049         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
6050         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
6052 2009-03-30  Ira Rosen  <irar@il.ibm.com>
6054         * tree-vect-loop-manip.c: New file.
6055         * tree-vectorizer.c: Update documentation and included files.
6056         (vect_loop_location): Make extern.
6057         (rename_use_op): Move to tree-vect-loop-manip.c
6058         (rename_variables_in_bb, rename_variables_in_loop,
6059         slpeel_update_phis_for_duplicate_loop,
6060         slpeel_update_phi_nodes_for_guard1,
6061         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
6062         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
6063         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
6064         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
6065         find_loop_location): Likewise.
6066         (new_stmt_vec_info): Move to tree-vect-stmts.c.
6067         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
6068         get_vectype_for_scalar_type, vect_is_simple_use,
6069         supportable_widening_operation, supportable_narrowing_operation):
6070         Likewise.
6071         (bb_in_loop_p): Move to tree-vect-loop.c.
6072         (new_loop_vec_info, destroy_loop_vec_info,
6073         reduction_code_for_scalar_code, report_vect_op,
6074         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
6075         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
6076         (vect_supportable_dr_alignment): Likewise.
6077         * tree-vectorizer.h (tree-data-ref.h): Include.
6078         (vect_loop_location): Declare.
6079         Reorganize function declarations according to the new file structure.
6080         * tree-vect-loop.c: New file.
6081         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
6082         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
6083         * tree-vect-data-refs.c: New file.
6084         * tree-vect-patterns.c (timevar.h): Don't include.
6085         * tree-vect-stmts.c: New file.
6086         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
6087         tree-vect-slp.c, tree-vect-loop.c.
6088         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
6089         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
6090         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
6091         (tree-vect-analyze.o): Remove.
6092         (tree-vect-transform.o): Likewise.
6093         (tree-vect-data-refs.o): Add rule.
6094         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
6095         tree-vect-slp.o): Likewise.
6096         (tree-vect-patterns.o): Remove redundant dependencies.
6097         (tree-vectorizer.o): Likewise.
6098         * tree-vect-slp.c: New file.
6100 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6102         * optc-gen.awk: Warn if an option flag has multiple different
6103         help strings.
6105 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6107         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
6108         -floop-block): Document dependences on PPL, CLooG and Graphite.
6110 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6112         PR rtl-optimization/323
6113         * c-common.c (c_fully_fold, convert_and_check,
6114         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
6115         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
6116         * c-common.def (EXCESS_PRECISION_EXPR): New.
6117         * c-cppbuiltin.c (builtin_define_float_constants): Define
6118         constants with enough digits for long double.
6119         * c-lex.c (interpret_float): Interpret constant with excess
6120         precision where appropriate.
6121         * c-opts.c (c_common_post_options): Set
6122         flag_excess_precision_cmdline.  Give an error for
6123         -fexcess-precision=standard for C++ for processors where the
6124         option is significant.
6125         * c-parser.c (c_parser_conditional_expression): Handle excess
6126         precision in condition.
6127         * c-typeck.c (convert_arguments): Handle arguments with excess
6128         precision.
6129         (build_unary_op): Move excess precision outside operation.
6130         (build_conditional_expr): Likewise.
6131         (build_compound_expr): Likewise.
6132         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
6133         (build_modify_expr): Handle excess precision in RHS.
6134         (convert_for_assignment): Handle excess precision in converted
6135         value.
6136         (digest_init, output_init_element, process_init_element): Handle
6137         excess precision in initializer.
6138         (c_finish_return): Handle excess precision in return value.
6139         (build_binary_op): Handle excess precision in operands and add
6140         excess precision as needed for operation.
6141         * common.opt (-fexcess-precision=): New option.
6142         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
6143         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6144         For standard excess precision, output explicit conversion to and
6145         truncation from XFmode.
6146         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
6147         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
6148         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
6149         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
6150         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
6151         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
6152         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
6153         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
6154         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
6155         define_splits, sqrt<mode>2): Disable where appropriate for
6156         standard excess precision.
6157         * convert.c (convert_to_real): Do not shorten arithmetic to type
6158         for which excess precision would be used.
6159         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
6160         * doc/invoke.texi (-fexcess-precision=): Document option.
6161         (-mfpmath=): Correct index entry.
6162         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
6163         flag_excess_precision): New.
6164         * langhooks.c (lhd_post_options): Set
6165         flag_excess_precision_cmdline.
6166         * opts.c (common_handle_option): Handle -fexcess-precision=.
6167         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
6168         init_excess_precision): New.
6169         (lang_dependent_init_target): Call init_excess_precision.
6170         * tree.c (excess_precision_type): New.
6171         * tree.h (excess_precision_type): Declare.
6173 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6175         PR c/35235
6176         * c-typeck.c (build_component_ref): Do not copy qualifiers from
6177         non-lvalue to component.
6179 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6181         PR preprocessor/34695
6182         * Makefile.in (c-opts.o): Depend on c-tree.h.
6183         * c-common.c: Move down include of diagnostic.h.
6184         (done_lexing, c_cpp_error): New.
6185         * c-common.h (done_lexing): Declare.
6186         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
6187         (parse_in).
6188         * c-opts.c: Include c-tree.h.
6189         (c_common_init_options): Set preprocessor error callback.
6190         (c_common_handle_option): Do not set preprocessor
6191         inhibit_warnings, warnings_are_errors, warn_system_headers,
6192         pedantic_errors or inhibit_warnings flags.
6193         (c_common_post_options): Do not check cpp_errors (parse_in).
6194         (c_common_finish): Do not output dependencies if there were
6195         errors.  Do not check return value of cpp_finish.
6196         * c-ppoutput.c (pp_file_change): Set input_location.
6197         * c-tree.h (c_cpp_error): Declare.
6198         * diagnostic.c (diagnostic_set_info_translated): Also initialize
6199         override_column.
6200         (diagnostic_build_prefix): Check override_column.
6201         * diagnostic.h (diagnostic_info): Add override_column field.
6202         (diagnostic_override_column): Define.
6204 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
6206         * c-common.c (c_expand_expr, c_staticp): Remove.
6207         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
6208         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
6209         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
6210         * c-gimplify.c (gimplify_compound_literal_expr,
6211         optimize_compound_literals_in_ctor): Remove.
6212         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
6213         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
6214         * c-semantics.c (emit_local_var): Remove.
6216         * langhooks-def.h (lhd_expand_expr): Remove.
6217         * langhooks.c (lhd_expand_expr): Remove.
6218         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
6220         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
6221         handling from c-semantics.c; don't call into langhook.
6222         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
6223         * gimplify.c (gimplify_compound_literal_expr,
6224         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
6225         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
6226         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
6227         as was done in c-gimplify.c.
6228         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
6229         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
6230         Move from c-common.h.
6231         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
6233         * tree.c (staticp): Do not call langhook.
6234         * langhooks.c (lhd_staticp): Delete.
6235         * langhooks-def.h (lhd_staticp): Delete prototype.
6236         (LANG_HOOKS_STATICP): Delete.
6237         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
6239         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
6240         instead of DECL_STMTs.
6242 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6244         PR c/456
6245         PR c/5675
6246         PR c/19976
6247         PR c/29116
6248         PR c/31871
6249         PR c/35198
6250         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
6251         void_type_node.
6252         (fold_call_expr): Return a NOP_EXPR from folding rather than the
6253         contained expression.
6254         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
6255         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
6256         conditional expressions for C.
6257         (decl_constant_value_for_optimization): Move from
6258         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
6259         whether optimizing and that the expression is a VAR_DECL not of
6260         array type instead of doing such checks in the caller.  Do not
6261         check pedantic.  Call gcc_unreachable for C++.
6262         * c-common.def (C_MAYBE_CONST_EXPR): New.
6263         * c-common.h (c_fully_fold, c_save_expr,
6264         decl_constant_value_for_optimization): New prototypes.
6265         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6266         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6267         EXPR_INT_CONST_OPERANDS): Define.
6268         * c-convert.c (convert): Strip nops from expression.
6269         * c-decl.c (groktypename): Take extra parameters expr and
6270         expr_const_operands.  Update call to grokdeclarator.
6271         (start_decl): Update call to grokdeclarator.  Add statement for
6272         expressions used in type of decl.
6273         (grokparm): Update call to grokdeclarator.
6274         (push_parm_decl): Update call to grokdeclarator.
6275         (build_compound_literal): Add parameter non_const and build a
6276         C_MAYBE_COSNT_EXPR if applicable.
6277         (grokdeclarator): Take extra parameters expr and
6278         expr_const_operands.  Track expressions used in declaration
6279         specifiers and declarators.  Fold array sizes and track whether
6280         they are constant expressions and whether they are integer
6281         constant expressions.
6282         (parser_xref_tag): Set expr and expr_const_operands fields in
6283         return value.
6284         (grokfield): Update call to grokdeclarator.
6285         (start_function): Update call to grokdeclarator.
6286         (build_null_declspecs): Set expr and expr_const_operands fields in
6287         return value.
6288         (declspecs_add_type): Handle expressions in typeof specifiers.
6289         * c-parser.c (c_parser_declspecs): Set expr and
6290         expr_const_operands fields for declaration specifiers.
6291         (c_parser_enum_specifier): Likewise.
6292         (c_parser_struct_or_union_specifier): Likewise.
6293         (c_parser_typeof_specifier): Likewise.  Update call to
6294         groktypename.  Fold expression as needed.  Return expressions with
6295         type instead of adding statements.
6296         (c_parser_attributes): Update calls to c_parser_expr_list.
6297         (c_parser_statement_after_labels): Fold expression before passing
6298         to objc_build_throw_stmt.
6299         (c_parser_condition): Fold expression.
6300         (c_parser_asm_operands): Fold expression.
6301         (c_parser_conditional_expression): Use c_save_expr.  Update call
6302         to build_conditional_expr.
6303         (c_parser_alignof_expression): Update call to groktypename.
6304         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
6305         original_code.  Fold expression argument of va_arg.  Create
6306         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
6307         argument to va_arg.  Update calls to groktypename.  Fold array
6308         index for offsetof.  Verify that first argument to
6309         __builtin_choose_expr has integer type.
6310         (c_parser_postfix_expression_after_paren_type): Update calls to
6311         groktypename and build_compound_literal.  Handle expressions with
6312         side effects in type name.
6313         (c_parser_postfix_expression_after_primary): Update call to
6314         c_parser_expr_list.  Set original_code for calls to
6315         __builtin_constant_p.
6316         (c_parser_expr_list): Take extra parameter fold_p.  Fold
6317         expressions if requested.
6318         (c_parser_objc_type_name): Update call to groktypename.
6319         (c_parser_objc_synchronized_statement): Fold expression.
6320         (c_parser_objc_receiver): Fold expression.
6321         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
6322         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
6323         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
6324         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
6325         (struct c_typespec): Add elements expr and expr_const_operands.
6326         (struct c_declspecs): Add elements expr and expr_const_operands.
6327         (groktypename, build_conditional_expr, build_compound_literal):
6328         Update prototypes.
6329         (in_late_binary_op): Declare.
6330         * c-typeck.c (note_integer_operands): New function.
6331         (in_late_binary_op): New variable.
6332         (decl_constant_value_for_broken_optimization): Move to c-common.c
6333         and rename to decl_constant_value_for_optimization.
6334         (default_function_array_conversion): Do not strip nops.
6335         (default_conversion): Do not call
6336         decl_constant_value_for_broken_optimization.
6337         (build_array_ref): Do not fold result.
6338         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
6339         result when operand is a VLA.
6340         (c_expr_sizeof_type): Update call to groktypename.  Handle
6341         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
6342         result when operand names a VLA type.
6343         (build_function_call): Update call to build_compound_literal.
6344         Only fold result for calls to __builtin_* functions.  Strip
6345         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
6346         the function designator.
6347         (convert_arguments): Fold arguments.  Update call to
6348         convert_for_assignment.
6349         (build_unary_op): Handle increment and decrement of
6350         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
6351         decrement earlier.  Fold operand of increment and decrement.
6352         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
6353         built for integer operand.  Wrap returns that are INTEGER_CSTs
6354         without being integer constant expressions or that have integer
6355         constant operands without being INTEGER_CSTs.
6356         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
6357         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
6358         result is an integer constant expression or can be used in
6359         unevaluated parts of one and avoid folding and wrap as
6360         appropriate.  Fold operands before possibly doing -Wsign-compare
6361         warnings.
6362         (build_compound_expr): Wrap result for C99 if operands can be used
6363         in integer constant expressions.
6364         (build_c_cast): Update call to digest_init.  Do not ignore
6365         overflow from casting floating-point constants to integers.  Wrap
6366         results that could be confused with integer constant expressions,
6367         null pointer constants or floating-point constants.
6368         (c_cast_expr): Update call to groktypename.  Handle expressions
6369         included in type name.
6370         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
6371         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
6372         Update calls to convert_for_assignment.
6373         (convert_for_assignment): Take new parameter
6374         null_pointer_constant.  Do not strip nops or call
6375         decl_constant_value_for_broken_optimization.  Set
6376         in_late_binary_op for conversions to boolean.
6377         (store_init_value): Update call to digest_init.
6378         (digest_init): Take new parameter null_pointer_constant.  Do not
6379         call decl_constant_value_for_broken_optimization.  pedwarn for
6380         initializers not constant expressions.  Update calls to
6381         convert_for_assignment.
6382         (constructor_nonconst): New.
6383         (struct constructor_stack): Add nonconst element.
6384         (really_start_incremental_init, push_init_level, pop_init_level):
6385         Handle constructor_nonconst and nonconst element.
6386         (set_init_index): Call constant_expression_warning for array
6387         designators.
6388         (output_init_element): Fold value.  Set constructor_nonconst as
6389         applicable.  pedwarn for initializers not constant expressions.
6390         Update call to digest_init.  Call constant_expression_warning
6391         where constant initializers are required.
6392         (process_init_element): Use c_save_expr.
6393         (c_finish_goto_ptr): Fold expression.
6394         (c_finish_return): Fold return value.  Update call to
6395         convert_for_assignment.
6396         (c_start_case): Fold switch expression.
6397         (c_process_expr_stmt): Fold expression.
6398         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
6399         ensure statement expression is not evaluated in constant expression.
6400         (build_binary_op): Track whether results are integer constant
6401         expressions or may occur in such, disable folding and wrap results
6402         as applicable.  Fold operands for -Wsign-compare warnings unless
6403         in_late_binary_op.
6404         (c_objc_common_truthvalue_conversion): Handle results folded to
6405         integer constants that are not integer constant expressions.
6406         * doc/extend.texi: Document when typeof operands are evaluated,
6407         that condition of __builtin_choose_expr is an integer constant
6408         expression, and more about use of __builtin_constant_p in
6409         initializers.
6411 2009-03-29  Richard Guenther  <rguenther@suse.de>
6413         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
6414         propagate addresses of array references.
6416 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
6418         * regmove.c (perhaps_ends_bb_p): Remove.
6419         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
6420         from INSN and check that the main loop stays within that basic block.
6421         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
6422         (regmove_forward_pass): Split out from regmove_optimize.  Use
6423         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
6424         (regmove_backward_pass): Split out from regmove_optimize.  Use
6425         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
6426         (regmove_optimize): Simplify.
6428 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6430         PR target/39545
6431         * config/i386/i386.c (classify_argument): Ignore flexible array
6432         member in struct and warn ABI change.
6434 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6436         * config/i386/i386-protos.h (ix86_agi_dependent): New.
6438         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
6439         (ix86_adjust_cost): Updated.
6441 2009-03-29  Jan Hubicka  <jh@suse.cz>
6443         PR middle-end/28850
6444         * tree-pass.h (pass_cleanup_eh): New function.
6445         (remove_unreachable_regions): Break code handling RTL
6446         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
6447         that can not be reached by runtime.
6448         (can_be_reached_by_runtime): New function.
6449         (label_to_region_map): New function.
6450         (num_eh_regions): New function.
6451         (rtl_remove_unreachable_regions): New function.
6452         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
6453         (remove_eh_region): New function.
6454         * except.h: Include sbitmap and vecprim.
6455         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
6456         num_eh_regions): Declare.
6457         * passes.c (init_optimization_passes): Schedule cleanup_eh.
6458         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
6459         * tree-eh.c (tree_remove_unreachable_handlers): New function.
6460         (tree_empty_eh_handler_p): New function.
6461         (cleanup_empty_eh): New function.
6462         (cleanup_eh): New function.
6463         (pass_cleanup_eh): New function.
6465 2009-03-29  Jan Hubicka  <jh@suse.cz>
6467         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
6468         for removed regions.
6470 2009-03-29  Jan Hubicka  <jh@suse.cz>
6472         * except.c (dump_eh_tree): Dump all datastructures.
6474 2009-03-29  Jan Hubicka  <jh@suse.cz>
6476         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
6477         (duplicate_eh_regions_1): Likewise.
6478         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
6479         vector; call EH verification.
6480         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
6481         Be ready for region being removed.
6483 2009-03-29  Jan Hubicka  <jh@suse.cz>
6485         * bitmap.c (bitmap_last_set_bit): New function.
6486         * bitmap.h (bitmap_last_set_bit): Declare.
6488 2009-03-29  David Ayers  <ayers@fsfe.org>
6490         PR objc/27377
6491         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
6492         by calling objc_compare_types and surpress warnings about
6493         incompatible C pointers that are compatible ObjC pointers.
6495 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
6497         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
6498         call initialize_inline_failed.
6499         (initialize_inline_failed): Move it from here ...
6500         * cgraph.c (initialize_inline_failed): ... to here.
6501         (cgraph_create_edge): Call initialize_inline_failed rather than
6502         setting inline_failed directly.
6504 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6506         PR target/32542
6507         * sysv4.opt (msdata): Improve comment.
6508         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
6509         * sysv4.h (SVR4_ASM_SPEC): Likewise.
6511 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6513         PR target/30451
6514         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
6515         load and store attributes.
6517 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6519         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
6520         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
6521         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
6522         * doc/extend.texi (X86 Built-in Functions): Add index entries for
6523         __builtin_infq and __builtin_huge_valq.
6525 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
6527         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
6528         atmega8m1 devices.
6529         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6530         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
6532 2009-03-28  Xinliang David Li  <davidxl@google.com>
6534         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
6535         (do_dbg_cnt): New function.
6537 2009-03-28  Jan Hubicka  <jh@suse.cz>
6539         Merge from pretty-ipa:
6541         2009-03-27  Jan Hubicka  <jh@suse.cz>
6543         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
6544         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
6545         * passes.c (function_called_by_processed_nodes_p): New.
6546         * ipa-pure-const.c (check_call): Fix handling of operands.
6547         (analyze_function): Dump debug output for skipped bodies.
6548         (local_pure_const): Use function_called_by_processed_nodes_p.
6549         * dwarf2out.c (reference_to_unused): Use output.
6550         * passes.c (do_per_function_toporder): Likewise.
6552         2008-11-12  Jan Hubicka  <jh@suse.cz>
6554         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
6555         * ipa-pure-const.c (funct_state_d): Add can throw field; make
6556         state_set_in_source enum
6557         (check_decl): Ignore memory tags; do not set fake looping flags;
6558         dump diagnostics.
6559         (check_operand, check_tree, check_rhs_var, check_lhs_var,
6560         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
6561         (check_call, analyze_function): Rewrite.
6562         (check_stmt): New.
6563         (add_new_function): Update call of analyze_function.
6564         (generate_summary): Add call of analyze_function.
6565         (propagate): Propagate can_throw; handle state_set_in_source correctly.
6566         (local_pure_const): New function.
6567         (pass_local_pure_const): New pass.
6568         * ipa-inline.c (inline_transform): Set after_inlining.
6569         * tree-eh.c (stmt_can_throw_external): New.
6570         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
6571         work with aliasing built.
6572         * tree-flow.h (stmt_can_throw_external): New.
6573         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
6574         and local pure/const pass in early and late optimization queue.
6576 2009-03-28  Martin Jambor  <mjambor@suse.cz>
6578         * fold-const.c (get_pointer_modulus_and_residue): New parameter
6579         allow_func_align.
6580         (fold_binary): Allow function decl aligment consideration is the
6581         second argument is integer constant one.
6582         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
6583         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
6584         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
6586 2009-03-28  Jan Hubicka  <jh@suse.cz>
6588         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
6589         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
6590         * function.h (rtl_data): Add nothrow flag.
6591         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
6592         set DECL_NOTHROW for AVAILABLE functions.
6594 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
6596         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
6597         following vector keyword has expansion starting with pixel or bool
6598         keyword, expand vector to __vector and pixel or bool to __pixel or
6599         __bool.
6601         PR c++/39554
6602         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
6603         warn_if_disallowed_function_p): Removed.
6604         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
6605         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
6606         warning_if_disallowed_function_p.
6607         * flags.h (warn_if_disallowed_function_p,
6608         warn_disallowed_functions): Removed.
6609         * common.opt (Wdisallowed-function-list=): Removed.
6610         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
6612 2009-03-28  Richard Guenther  <rguenther@suse.de>
6614         PR tree-optimization/38723
6615         * tree-ssa-pre.c (compute_avail): Add all default definitions to
6616         the entry block.
6618 2009-03-28  Jan Hubicka  <jh@suse.cz>
6620         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
6621         test introduced by my previous patch.
6623 2009-03-28  Richard Guenther  <rguenther@suse.de>
6625         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
6626         the PHIs value undefined.
6628 2009-03-28  Jan Hubicka  <jh@suse.cz>
6630         * tree-pass.h (pass_fixup_cfg): New pass.
6631         * ipa-inline.c (inline_transform): Set
6632         always_inline_functions_inlined/after_inlining.
6633         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
6634         (pass_fixup_cfg): New pass.
6635         * passes.c (init_optimization_passes): Add fixup_cfg.
6637 2009-03-28  Richard Guenther  <rguenther@suse.de>
6639         PR tree-optimization/38458
6640         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
6641         argument use the arguments copy-of value.
6643 2009-03-28  Richard Guenther  <rguenther@suse.de>
6645         PR tree-optimization/38180
6646         * tree-ssa-ccp.c (get_default_value): Simplify.
6647         (likely_value): Likewise.
6648         (surely_varying_stmt_p): Properly handle VOP case.
6649         (ccp_initialize): Likewise.
6650         (ccp_fold): Handle propagating through *&.
6651         (fold_const_aggregate_ref): Also handle decls.
6653 2009-03-28  Jan Hubicka  <jh@suse.cz>
6655         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
6656         * cgraph.h (cgraph_node): Likewise.
6657         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
6658         (cgraph_reset_node): Use process flag.
6659         (cgraph_mark_functions_to_output): Likewise.
6660         (cgraph_expand_function): Likewise.
6661         (cgraph_expand_all_functions): Likewise.
6662         (cgraph_output_in_order): Likewise.
6663         * dwarf2out.c (reference_to_unused): Likewise.
6664         * passes.c do_per_function_toporder): Likewise.
6666 2009-03-28  Jan Hubicka  <jh@suse.cz>
6668         Bring from lto-branch:
6670         2008-09-03  Doug Kwan  <dougkwan@google.com>
6672         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
6673         enums instead of reason strings.
6674         * cgraph.c (cgraph_create_edge): Same.
6675         (cgraph_inline_failed_string): New function.
6676         * cgraph.h (cgraph_inline_failed_t): New enum type.
6677         (cgraph_inline_failed_string): New prototype.
6678         (struct cgraph_edge): Change type of INLINED_FAILED from constant
6679         char pointer to cgraph_inline_failed_t.
6680         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
6681         (cgraph_default_inline_p): Ditto.
6682         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
6683         to cgraph_inline_failed_t pointer.
6684         * cif-code.def: New file.
6685         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
6686         reason string.
6687         (cgraph_check_inline_limits): Change type of REASON to pointer to
6688         cgraph_inline_failed_t.  Replace reason strings with enums.
6689         (cgraph_default_inline_p): Ditto.
6690         (cgraph_recursive_inlining_p): Ditto.
6691         (update_caller_keys): Change type of FAILED_REASON to
6692         cgraph_inline_failed_t.
6693         (cgraph_set_inline_failed): Change type of REASON to pointer to
6694         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
6695         convert enums to strings for text output.
6696         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
6697         to be of type cgraph_inline_failed_t.  Replace reason strings with
6698         enums.  Call cgraph_inline_failed_string to covert enums
6699         to strings for text output.
6700         (cgraph_decide_inlining): Replace reason strings with enums.
6701         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
6702         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
6703         for text output.
6704         * tree-inline.c (expand_call_inline): Change type of REASON
6705         to cgraph_inline_failed_t.  Replace reason strings with enums.
6706         Call cgraph_inline_failed_string for text output.
6707         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
6708         (cgraph.o): Ditto.
6710 2009-03-28  Jan Hubicka  <jh@suse.cz>
6712         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
6713         cgraph_clone_node): Remove master clone handling.
6714         (cgraph_is_master_clone, cgraph_master_clone): Remove.
6715         * cgraph.h (master_clone): Remove.
6716         (cgraph_is_master_clone, cgraph_master_clone): Remove.
6717         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
6718         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
6720 2009-03-28  Jan Hubicka  <jh@suse.cz>
6722         * cgraph.c (cgraph_function_body_availability): Functions declared
6723         inline are always safe to assume that it is not going to be replaced.
6725 2009-03-28  Richard Guenther  <rguenther@suse.de>
6727         PR tree-optimization/38513
6728         * tree-ssa-pre.c (eliminate): Remove redundant stores.
6729         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6730         EXC_PTR_EXPR and FILTER_EXPR.
6731         (get_ref_from_reference_ops): Likewise.
6733 2009-03-28  Richard Guenther  <rguenther@suse.de>
6735         PR tree-optimization/38968
6736         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6737         Use FLOOR_MOD_EXPR to compute misalignment.
6739 2009-03-28  Richard Guenther  <rguenther@suse.de>
6741         PR tree-optimization/37795
6742         * tree.h (combine_comparisons): Declare.
6743         * fold-const.c (combine_comparisons): Export.
6744         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
6745         comparisons.
6746         (ifcombine_iforif): Use combine_comparisons.
6748 2009-03-28  Jan Hubicka  <jh@suse.cz>
6750         * tree-eh.c (inlinable_call_p): New function.
6751         (make_eh_edges): Use it.
6752         (verify_eh_edges): Use it.
6753         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
6754         * except.c (reachable_next_level): Add inlinable_function argument
6755         (sjlj_find_directly_reachable_regions): Update.
6756         (add_reachable_handler): Do not set saw_any_handlers.
6757         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
6758         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
6759         Add new inlinable call parameter.
6760         (can_throw_internal, can_throw_external): Update.
6761         * except.h (can_throw_internal_1, can_throw_external_1,
6762         foreach_reachable_handler): Update declaration.
6764 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
6766         * config/arm/t-arm-coff, config/h8300/coff.h,
6767         config/i386/i386-aout.h, config/i386/i386-coff.h,
6768         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
6769         config/pdp11/2bsd.h, config/rs6000/aix41.h,
6770         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
6771         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
6772         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
6773         sys-types.h: Remove.
6774         * Makefile.in: Remove protoize and fixproto support and references
6775         in comments.
6776         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
6777         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
6778         Remove.
6779         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
6780         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
6781         unprotoize$(exeext).
6782         (rest.encap): Don't depend on $(STMP_FIXPROTO)
6783         (.PHONY): Don't depend on proto.
6784         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
6785         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
6786         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
6787         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
6788         build/gen-protos.o, build/scan.o, xsys-protos.h,
6789         build/fix-header$(build_exeext), build/fix-header.o,
6790         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
6791         stmp-install-fixproto): Remove.
6792         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
6793         SYSCALLS.c or fixproto files.
6794         (install-common): Don't install protoize.
6795         (install-headers-tar, install-headers-cpio, install-headers-cp):
6796         Don't depend on $(STMP_FIXPROTO).
6797         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
6798         install fixproto files or write out fixproto settings.
6799         (uninstall): Don't uninstall protoize.
6800         * config.gcc (use_fixproto): Remove.
6801         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
6802         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
6803         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
6804         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
6805         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
6806         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
6807         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
6808         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
6809         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
6810         * config/t-vxworks (STMP_FIXPROTO): Remove.
6811         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
6812         STMP_FIXPROTO): Remove.
6813         * config.in, configure: Regenerate.
6814         * crtstuff.c (gid_t, uid_t): Don't undefine.
6815         * doc/install.texi: Change m68k-coff to m68k-elf in example.
6816         (arm-*-coff, arm-*-aout: Remove target entries.
6817         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
6818         Remove mention of AIX 4.1.
6819         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
6820         * doc/invoke.texi (Running Protoize): Remove.
6821         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
6822         (Protoize Caveats): Remove.
6823         * tsystem.h: Update comments on headers assumed to exist.
6825 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
6827         * genautomata.c: Add a new year to the copyright.  Add a new
6828         reference.
6829         (struct insn_reserv_decl): Add comments for member bypass_list.
6830         (find_bypass): Remove.
6831         (insert_bypass): New.
6832         (process_decls): Use insert_bypass.
6833         (output_internal_insn_latency_func): Output all bypasses with the
6834         same input insn in one switch case.
6836         * rtl.def (define_bypass): Describe bypass choice.
6837         * doc/md.texi (define_bypass): Ditto.
6839 2009-03-27  Richard Guenther  <rguenther@suse.de>
6841         * gimplify.c (mark_addressable): Export.
6842         * tree-flow.h (mark_addressable): Declare.
6843         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
6844         * tree-ssa.c (verify_phi_args): Verify that address taken
6845         variables have TREE_ADDRESSABLE set.
6847 2009-03-27  Richard Guenther  <rguenther@suse.de>
6849         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
6850         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
6851         Do not mark decls TREE_ADDRESSABLE.
6852         (build_fold_addr_expr): Adjust.
6853         (fold_addr_expr): Remove.
6854         (fold_unary): Use build_fold_addr_expr.
6855         (fold_comparison): Likewise.
6856         (split_address_to_core_and_offset): Likewise.
6857         * coverage.c (tree_coverage_counter_addr): Mark the array decl
6858         TREE_ADDRESSABLE.
6859         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
6860         (gimplify_modify_expr_to_memcpy): Mark source and destination
6861         addressable.
6862         * omp-low.c (create_omp_child_function): Mark the object decl
6863         TREE_ADDRESSABLE.
6864         (lower_rec_input_clauses): Mark the var we take the address of
6865         TREE_ADDRESSABLE.
6866         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
6868 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6870         PR middle-end/39315
6871         * cfgexpand.c (expand_one_stack_var_at): Change alignment
6872         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
6874 2009-03-27  Richard Guenther  <rguenther@suse.de>
6876         PR tree-optimization/39120
6877         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
6878         constraints.
6879         (handle_lhs_call): Process return constraints.  Add escape
6880         constraints if necessary.
6881         (handle_const_call): Fill out return constraints.  Make nested
6882         case more precise.  Avoid consttmp if possible.
6883         (handle_pure_call): Fill out return constraints.  Avoid
6884         callused if possible.
6885         (find_func_aliases): Simplify call handling.
6887 2009-03-27  Richard Guenther  <rguenther@suse.de>
6889         PR tree-optimization/39120
6890         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
6891         as a representative.
6892         (solve_graph): Do propagate CALLUSED.
6893         (handle_pure_call): Use a scalar constraint from CALLUSED for
6894         the return value.
6895         (find_what_p_points_to): CALLUSED shall not appear in poins-to
6896         solutions.
6898 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6900         PR c/39323
6901         * c-common.c (handle_aligned_attribute): Properly check alignment
6902         overflow.  Use (1U << i) instead of (1 << i).
6904         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
6906         * expr.h (get_mem_align_offset): Updated.
6908         * tree.h (tree_decl_common): Change align to "unsigned int" and
6909         move it before pointer_alias_set.
6911 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6912             Jakub Jelinek  <jakub@redhat.com>
6914         PR target/38034
6915         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
6916         gr_register_operand with gr_reg_or_0_operand.
6917         (cmpxchg_rel_di): Likewise.
6918         (sync_lock_test_and_set<mode>): Likewise.
6920 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6922         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
6923         (true_regnum): Likewise.
6925         * rtlanal.c (subreg_info): Moved to ...
6926         * rtl.h (subreg_info): Here.  New.
6927         (subreg_get_info): New.
6929         * rtlanal.c (subreg_get_info): Make it extern.
6931 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6933         PR target/39472
6934         * config/i386/i386.c (ix86_abi): New.
6935         (override_options): Handle -mabi=.
6936         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
6937         (ix86_call_abi_override): Likewise.
6938         (init_cumulative_args): Likewise.
6939         (function_arg_advance): Likewise.
6940         (function_arg_64): Likewise.
6941         (function_arg): Likewise.
6942         (ix86_pass_by_reference): Likewise.
6943         (ix86_function_value_regno_p): Likewise.
6944         (ix86_build_builtin_va_list_abi): Likewise.
6945         (setup_incoming_varargs_64): Likewise.
6946         (is_va_list_char_pointer): Likewise.
6947         (ix86_init_machine_status): Likewise.
6948         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
6949         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
6950         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
6951         (ix86_function_abi): Make it static and return enum calling_abi.
6952         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
6953         with ix86_abi.
6954         (ix86_fn_abi_va_list): Updated.
6956         * config/i386/i386.h (ix86_abi): New.
6957         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
6958         (CONDITIONAL_REGISTER_USAGE): Likewise.
6959         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
6960         (machine_function): Likewise.
6962         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
6963         with ix86_abi.
6964         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
6965         (STACK_BOUNDARY): Likewise.
6966         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
6968         * config/i386/i386.opt (mabi=): New.
6970         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
6971         return enum calling_abi.
6972         (ix86_function_type_abi): Likewise.
6973         (ix86_function_abi): Removed.
6975         * doc/invoke.texi: Document -mabi= option for x86.
6977 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6979         * builtins.c (real_dconstp): Delete.
6980         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
6982 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
6983             Jakub Jelinek  <jakub@redhat.com>
6985         PR debug/37959
6986         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
6987         (gen_subprogram_die): When a function is explicit, generate the
6988         DW_AT_explicit attribute.
6989         * langhooks.h (struct lang_hooks_for_decls): Add
6990         function_decl_explicit_p langhook.
6991         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
6992         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
6994 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
6996         * builtins.c (fold_builtin_memory_op): Optimize memmove
6997         into memcpy if we can prove source and destination don't overlap.
6999         * tree-inline.c: Include gt-tree-inline.h.
7000         (clone_fn_id_num): New variable.
7001         (clone_function_name): New function.
7002         (tree_function_versioning): Use it.
7003         * Makefile.in (GTFILES): Add tree-inline.c.
7005 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
7007         * BASE-VER: Change to 4.5.0.
7009 2009-03-27  Xinliang David Li  <davidxl@google.com>
7011         PR tree-optimization/39557
7012         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
7014 2009-03-27  Xinliang David Li  <davidxl@google.com>
7016         PR tree-optimization/39548
7017         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
7018         candidate check.
7020 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7022         * c-common.c (pointer_int_sum): Use %wd on return from
7023         tree_low_cst.
7025 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7027         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
7028         on return from tree_low_cst.
7030 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7032         PR c++/36799
7033         * ginclude/stdarg.h (va_copy): Define also for
7034         __GXX_EXPERIMENTAL_CXX0X__.
7036 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7038         PR c++/35652
7039         * builtins.h (c_strlen): Do not warn here.
7040         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
7041         * c-common.c (pointer_int_sum): Take an explicit location.
7042         Warn about offsets out of bounds.
7043         * c-common.h (pointer_int_sum): Adjust declaration.
7045 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7047         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
7048         markup glitch.
7050 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
7052         PR c++/39554
7053         * opts.c (warn_if_disallowed_function_p): Don't assume
7054         get_callee_fndecl must return non-NULL.
7056 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
7058         PR rtl-optimization/39522
7059         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
7060         when reg_reloaded_valid is set.
7062 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7064         * config/spu/divv2df3.c: New file.
7065         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
7066         (DPBIT_FUNCS): Filter out _div_df.
7068 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7070         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
7071         a jump insn, count that jump in the distance to the loop start.
7073 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7075         PR target/39523
7076         * config/sh/sh.c (calc_live_regs): Fix condition for global
7077         registers except PIC_OFFSET_TABLE_REGNUM.
7079 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
7081         PR/39518
7082         * doc/invoke.texi (-mconsole): New.
7083         (-mcygwin): New.
7084         (-mno-cygwin): New.
7085         (-mdll): New.
7086         (-mnop-fun-dllimport): New.
7087         (-mthread): New.
7088         (-mwin32): New.
7089         (-mwindows): New.
7090         (sub section "i386 and x86-64 Windows Options"): New.
7092 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
7094         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
7095         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
7097 2009-03-25  Richard Guenther  <rguenther@suse.de>
7099         PR middle-end/39497
7100         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
7101         of -Wno-error.
7103 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
7105         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
7106         neither of haifa/selective schedulers are working.
7108 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7110         * doc/invoke.texi (Debugging Options): Fix description of
7111         -fno-merge-debug-strings.
7113 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
7115         * config/cris/libgcc.ver: New version-script.
7116         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
7118         * configure.ac <GAS features, nop mnemonic>: Add pattern
7119         crisv32-*-* for "nop".
7120         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
7121         * configure: Regenerate.
7123 2009-03-24  Ira Rosen  <irar@il.ibm.com>
7125         PR tree-optimization/39529
7126         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7127         mark_sym_for_renaming for the tag copied to the new vector
7128         pointer.
7130 2009-03-24  Arthur Loiret  <aloiret@debian.org>
7132         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
7133         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
7134         EXTRA_SPEC_FUNCTIONS.
7135         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
7136         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
7137         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
7138         -march and -mtune options.
7140 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
7142         * config/m68k/t-rtems: Add m5329 multilib.
7144 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
7145             Jakub Jelinek  <jakub@redhat.com>
7147         PR debug/39524
7148         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
7149         nodes.
7151 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7153         PR c/39495
7154         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
7155         instead of c_parser_expression_conv, if original_code isn't one of the
7156         4 allowed comparison codes, fail.
7158 2009-03-23  Richard Guenther  <rguenther@suse.de>
7160         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
7161         * tree.h (struct tree_type): Likewise.
7162         * reload.h (struct insn_chain): Likewise.
7163         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
7164         * function.h (struct function): Likewise.
7165         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
7167 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7169         PR tree-optimization/39516
7170         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
7172 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
7174         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
7175         should be set true if BITS_PER_WORD of target is bigger than 32
7177 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
7179         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
7180         Translate -B-options to -rpath-link.  Correct existing
7181         rpath-link and conditionalize on !nostdlib.
7183 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7185         * doc/extend.texi (Function Attributes, Variable Attributes):
7186         Fix typos.
7187         * doc/invoke.texi (Debugging Options, Optimize Options)
7188         (i386 and x86-64 Options, MCore Options): Likewise.
7190 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
7192         PR debug/37890
7193         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
7194         it for block local namespace aliases.
7195         (gen_decl_die): Pass context_die to gen_namespace_die.
7197 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7199         PR c/39495
7200         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
7201         minimum or maximum value.
7203 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
7205         * reginfo.c (globalize_reg): Recompute derived reg sets.
7207 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
7209         PR target/39063
7210         * libgcc2.c (mprotect): Do not use signed arguments for
7211         VirtualProtect, use DWORD arguments.  Also fix the 'may
7212         be used uninitialized' warning for the np variable.
7214 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7216         PR target/39496
7217         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
7218         functions using regparm calling conventions when not optimizing.
7219         (ix86_function_sseregparm): Similarly for sseregparm calling
7220         conventions.
7222 2009-03-19  Li Feng  <nemokingdom@gmail.com>
7224         PR middle-end/39500
7225         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
7226         dependence if the first conflict is after niter iterations.
7228 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
7230         PR middle-end/38609
7231         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
7232         functions with dynamic stack-pointer adjustments.
7234 2009-03-19  Ben Elliston  <bje@au.ibm.com>
7236         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
7237         option; change to -msdata=data.
7239 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7241         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
7242         and -fopenmp.
7244 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
7246         PR target/35180
7247         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
7249 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
7251         * doc/invoke.texi (Code Gen Options): Expand discussion of
7252         -fno-common.
7254 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
7256         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
7257         * matrix-reorg.c (struct matrix_info): Likewise.
7258         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
7259         * rtl.h (struct mem_attrs): Likewise.
7260         * df.h (struct df): Likewise.
7261         * tree-data-ref.h (struct data_dependence_relation): Likewise.
7262         * ira-int.h (struct ira_allocno): Likewise.
7263         * df-scan.c (struct df_collection_rec): Likewise.
7264         * ira.c (struct equivalence): Likewise.
7265         * function.c (struct temp_slot): Likewise.
7266         * cfgloop.h (struct loop): Likewise.
7268         PR debug/39485
7269         * function.c (use_register_for_decl): When not optimizing, disregard
7270         register keyword for variables with types containing methods.
7272 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
7274         PR middle-end/39447
7275         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
7276         (is_simple_operand): Call contains_component_ref_p before calling data
7277         reference analysis that would fail on COMPONENT_REFs.
7279         * tree-vrp.c (search_for_addr_array): Fix formatting.
7281 2009-03-18  Richard Guenther  <rguenther@suse.de>
7283         * tree-vect-transform.c (vect_loop_versioning): Fold the
7284         generated comparisons.
7285         * tree-vectorizer.c (set_prologue_iterations): Likewise.
7286         (slpeel_tree_peel_loop_to_edge): Likewise.
7288 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7290         PR middle-end/37805
7291         * opts.c (print_specific_help): In addition to `undocumented',
7292         accept `separate' and `joined' flags if passed alone.  Describe
7293         output by the first matched one of those.
7294         (common_handle_option): Skip over empty strings.
7295         * gcc.c (display_help): Fix help string for `--help='.
7296         * doc/invoke.texi (Option Summary, Overall Options): With
7297         `--help=', classes and qualifiers can both be repeated, but
7298         only the latter can be negated.  One should not pass only
7299         negated qualifiers.  Fix markup and examples.
7301         Revert
7302         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
7303         PR middle-end/37805
7304         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
7305         and -fhelp=separate.
7307 2009-03-17  Jing Yu  <jingyu@google.com>
7309         PR middle-end/39378
7310         * function.h (struct rtl_data): Move is_thunk from here...
7311         (struct function): ...to here.
7312         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
7313         * varasm.c (assemble_start_function): Change is_thunk from crtl to
7314         cfun.
7315         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
7316         cfun.
7317         (alpha_does_function_need_gp, alpha_start_function): Likewise.
7318         (alpha_output_function_end_prologue): Likewise.
7319         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
7320         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
7321         (rs6000_output_function_epilogue): Likewise.
7322         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
7324 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
7326         PR target/39482
7327         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
7328         from different units in a single alternative.
7329         (*truncdfsf_i387): Ditto.
7330         (*truncxfsf2_mixed): Ditto.
7331         (*truncxfdf2_mixed): Ditto.
7333 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
7335         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
7336         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
7338         PR debug/39474
7339         * tree-ssa-live.c (remove_unused_locals): Don't remove local
7340         unused non-artificial variables when not optimizing.
7342         PR debug/39471
7343         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
7344         DW_TAG_imported_module even if decl is IMPORTED_DECL with
7345         NAMESPACE_DECL in its DECL_INITIAL.
7347         PR middle-end/39443
7348         * optabs.c (set_user_assembler_libfunc): New function.
7349         * expr.h (set_user_assembler_libfunc): New prototype.
7350         * c-common.c: Include libfuncs.h.
7351         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
7352         for memcmp, memset, memcpy, memmove and abort.
7353         * Makefile.in (c-common.o): Depend on libfuncs.h.
7355         PR debug/39412
7356         * dwarf2out.c (gen_inlined_enumeration_type_die,
7357         gen_inlined_structure_type_die, gen_inlined_union_type_die,
7358         gen_tagged_type_instantiation_die): Removed.
7359         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
7360         do nothing.
7362 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
7364         PR testsuite/38526
7365         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
7366         its use.
7367         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
7368         (check-parallel-%): Ditto.
7369         (check-consistency): Ditto.
7371 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
7373         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
7374         local variable rhs by NULL_TREE.
7376 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7378         PR target/39477
7379         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
7381 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7383         PR target/39476
7384         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
7386 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7388         PR target/39473
7389         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
7390         for ms->sysv ABI calls only in 64bit mode.
7392         * config/i386/i386.md (untyped_call): Support 32bit.
7394 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
7396         * doc/extend.texi: Replace x86_65 with x86_64.
7398 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
7400         PR tree-optimization/39455
7401         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
7402         mismatches for POINTER_TYPE_P (type).
7403         (number_of_iterations_le): Likewise.
7405 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7407         * config/picochip/picochip.c: Removed profiling support.
7408         * config/picochip/picochip.md: Removed profiling instruction.
7409         * config/picochip/picochip.h: Removed profiling builtin.
7411 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
7413         * doc/install.texi (--with-host-libstdcxx): Document.
7415 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
7417         PR target/34299
7418         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
7419         generate a warning if the function name does not begin with
7420         "__vector" and the function has either the 'signal' or 'interrupt'
7421         attribute, from here to ...
7422         (avr_declare_function_name): ...here. New function.
7423         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
7424         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
7426 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
7428         PR bootstrap/39454
7429         * cse.c (fold_rtx): Don't modify original const_arg1 when
7430         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
7431         separate variable instead.
7432         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
7433         from out of range shift counts.
7434         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
7436 2009-03-13  Catherine Moore  <clm@codesourcery.com>
7438         * config/i386/x-mingw32 (host-mingw32.o): Replace
7439         diagnostic.h with $(DIAGNOSTIC_H).
7441 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
7443         PR target/39431
7444         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
7445         predicate.
7446         * config/i386/sync.md (sync_compare_and_swap<mode>,
7447         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
7448         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
7449         into a register.
7450         (sync_double_compare_and_swapdi_pic,
7451         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
7452         cmpxchg8b_pic_memory_operand instead of just memory_operand.
7454 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7456         PR target/39445
7457         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
7459 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7461         PR target/39327
7462         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
7463         (avx_addsubv4df3): Likewise.
7464         (*avx_addsubv4sf3): Likewise.
7465         (sse3_addsubv4sf3): Likewise.
7467 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7469         PR target/38824
7470         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
7472 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7474         PR debug/39432
7475         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
7476         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
7477         registers for allocnos created from user-defined variables.
7479 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7481         PR target/39181
7482         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
7483         of non-integer mode as well.
7485 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
7487         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
7488         for functions for which the parameter types are unknown.
7490 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
7492         PR target/39137
7493         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
7494         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
7495         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
7496         * config/i386/i386.c (ix86_local_alignment): For
7497         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
7498         long long variables on the stack to avoid dynamic realignment.
7499         Allow the first argument to be a decl rather than type.
7500         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
7502 2009-03-11  Nick Clifton  <nickc@redhat.com>
7504         PR target/5362
7505         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
7506         options.
7507         Add description to mno-lsim option.
7508         * config/mcore/mcore.h: Remove comment about deprecated m4align
7509         option.
7510         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
7511         * doc/invoke.texi: Add description of mno-lsim and
7512         mstack-increment options.
7514         * config/fr30/fr30.opt: Document the -mno-lsim option.
7515         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
7516         and -mno-lsim options.
7518 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7520         * fold-const.c (fold_comparison): Only call fold_inf_compare
7521         if the mode supports infinities.
7523 2009-03-11  Jason Merrill  <jason@redhat.com>
7525         PR debug/39086
7526         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
7527         end already did.  Notice GIMPLE_CALL modifications of the result.
7528         Don't copy debug information from an ignored decl or a decl from
7529         another function.
7531 2009-03-10  Richard Guenther  <rguenther@suse.de>
7532             Nathan Froyd  <froydnj@codesourcery.com>
7534         PR middle-end/37850
7535         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
7536         (__divMODE3): Likewise.
7538 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
7540         PR tree-optimization/39394
7541         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
7542         DECL_SIZE_UNIT of variable length FIELD_DECLs.
7544 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7546         * recog.c (verfiy_changes): Disallow renaming of hard regs in
7547         inline asms for register asm ("") declarations.
7549 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
7551         * fold-const.c (fold_unary): Fix comment.
7553 2009-03-07  Jan Hubicka  <jh@suse.cz>
7555         PR target/39361
7556         * tree-inline.c (setup_one_parameter): Do replacement of const
7557         argument by constant in SSA form.
7559 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7561         PR middle-end/38028
7562         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
7563         determine alignment passed to assign_stack_local.
7564         (assign_parms_unsplit_complex): Likewise.
7565         * except.c (sjlj_build_landing_pads): Likewise.
7567 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
7569         PR middle-end/39360
7570         * tree-flow.h (add_referenced_var): Return bool instead of void.
7571         * tree-dfa.c (add_referenced_var): Return result of
7572         referenced_var_check_and_insert call.
7573         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
7574         of referenced_var_check_and_insert.
7576         PR debug/39372
7577         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
7578         (gen_variable_die): Emit DW_AT_location on abstract static variable's
7579         DIE, don't emit it if abstract origin already has it.
7580         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
7581         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
7583 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7585         * genpreds.c (needs_variable): Fix parentheses at variable name
7586         detection.
7587         (write_tm_constrs_h): Indent generated code.
7589 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7591         * doc/extend.texi (Function Attributes): Add documentation
7592         for isr attributes.
7594 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
7596         PR debug/39387
7597         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
7598         take locus from its DECL_SOURCE_LOCATION instead of input_location.
7600 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7602         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
7603         the loop as bad.
7605 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
7607         PR debug/39379
7608         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
7609         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
7611 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
7613         * config/i386/i386.md (R8_REG, R9_REG): New constants.
7614         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
7615         constants instead of magic numbers.
7616         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
7617         (QI_REG_P): Ditto.
7618         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
7619         (x86_64_ms_abi_int_parameter_registers): Ditto.
7620         (x86_64_int_return_registers): Ditto.
7621         (ix86_maybe_switch_abi): Ditto.
7622         (ix86_expand_call): Ditto for clobbered_registers array.
7623         (ix86_hard_regno_mode_ok): Ditto.
7624         (x86_extended_QIreg_mentioned_p): Ditto.
7626 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
7628         PR tree-optimization/39349
7629         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
7631         * combine.c (gen_lowpart_for_combine): Use omode when generating
7632         clobber.
7634 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
7636         PR rtl-optimization/39235
7637         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
7639 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
7641         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
7643 2009-03-04  Richard Guenther  <rguenther@suse.de>
7645         PR tree-optimization/39362
7646         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
7647         that occur in abnormal PHIs should be varying.
7649 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
7651         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
7652         Extend comments.
7653         (simple_iv):  Take loop as an argument instead of statement.
7654         * tree-scalar-evolution.h (simple_iv): Declaration changed.
7655         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
7656         to simple_iv.
7657         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
7658         Ditto.
7659         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
7660         * matrix-reorg.c (analyze_transpose): Ditto.
7661         * tree-data-ref.c (dr_analyze_innermost): Ditto.
7662         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
7663         * tree-predcom.c (ref_at_iteration): Ditto.
7664         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
7666 2009-03-04  Richard Guenther  <rguenther@suse.de>
7668         PR tree-optimization/39358
7669         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
7670         escaped_id and callused_id.
7671         (solve_graph): Likewise.
7673 2009-03-04  Richard Guenther  <rguenther@suse.de>
7675         PR tree-optimization/39339
7676         * tree-sra.c (try_instantiate_multiple_fields): Make it
7677         no longer ICE on the above.
7679 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
7681         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
7682         that fits within Pmode.
7684 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
7686         PR middle-end/10109
7687         * tm.texi (LIBCALL_VALUE): Update description.
7689 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
7691         PR middle-end/34443
7692         * doc/extend.texi (section): Update description.
7694 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
7696         PR middle-end/39345
7697         * tree-inline.c (remapped_type): New.
7698         (can_be_nonlocal): Call remapped_type instead of remap_type.
7700 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
7702         PR fortran/39354
7703         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
7704         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
7706 2009-03-03  Richard Guenther  <rguenther@suse.de>
7708         PR middle-end/39272
7709         * tree.c (tree_nonartificial_location): New function.
7710         * tree.h (tree_nonartificial_location): Declare.
7711         * builtins.c (expand_builtin_memory_chk): Provide location
7712         of the call location for artificial function pieces.
7713         (maybe_emit_chk_warning): Likewise.
7714         (maybe_emit_sprintf_chk_warning): Likewise.
7715         (maybe_emit_free_warning): Likewise.
7716         * expr.c (expand_expr_real_1): Likewise.
7718 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
7720         PR tree-optimization/39343
7721         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
7722         COMPONENT_REF t has ARRAY_TYPE.
7724 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7726         PR middle-end/39335
7727         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
7728         when the type precision of the induction variable should be
7729         larger than the type precision of nit.
7730         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
7731         * graphite.c (graphite_loop_normal_form): Same.
7732         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
7734 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
7736         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
7737         (*call_1_rex64_ms_sysv): Use named constants instead of magic
7738         numbers to describe clobbered registers.
7739         (*call_value_0_rex64_ms_sysv): Ditto.
7740         * config/i386/mmx.md (mmx_emms): Ditto.
7741         (mmx_femms): Ditto.
7743 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
7745         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
7746         of ABI_64.
7748 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7750         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
7751         (spu_section_type_flags): New function.
7753 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
7755         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
7756         reg_class_contents of FLOAT_REGS into a temporary.
7758 2009-03-02  Richard Guenther  <rguenther@suse.de>
7759             Ira Rosen  <irar@il.ibm.com>
7761         PR tree-optimization/39318
7762         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
7763         information to the vectorized statement.
7765 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
7767         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
7768         variable.  Use defined names instead of magic constants for REX SSE
7769         registers.
7771 2009-03-01  Richard Guenther  <rguenther@suse.de>
7773         PR tree-optimization/39331
7774         * omp-low.c (lower_send_shared_vars): Do not receive new
7775         values for the reference of DECL_BY_REFERENCE parms or results.
7777 2009-03-01  Jan Hubicka  <jh@suse.cz>
7779         PR debug/39267
7780         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
7781         BLOCK_NONLOCALIZED_VAR): New macros.
7782         (tree_block): Add nonlocalized_vars.
7783         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
7784         gen_decl_die): Add origin argument.  Allow generation of die with
7785         origin at hand only.
7786         (gen_member_die, gen_type_die_with_usage, force_decl_die,
7787         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
7788         of gen_*.
7789         (gen_block_die): Fix checking for unused blocks.
7790         (process_scope_var): Break out from .... ; work with origins only.
7791         (decls_for_scope) ... here; process nonlocalized list.
7792         (dwarf2out_ignore_block): Look for nonlocalized vars.
7793         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
7794         vars.
7795         (dump_scope_block): Dump them.
7796         * tree-inline.c (remap_decls): Handle nonlocalized vars.
7797         (remap_block): Likewise.
7798         (can_be_nonlocal): New predicate.
7799         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
7801 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7803         * configure: Regenerate.
7805 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7807         * optc-gen.awk: No need to duplicate option flags twice.
7808         Reuse help texts for duplicate options which do not have any.
7810         * gcc.c (display_help): Document --version.
7812         * gcc.c (main): If print_help_list and verbose_flag, ensure
7813         driver output comes before subprocess output.
7815         * optc-gen.awk: Assign all remaining fields to help string,
7816         space-separated, for multi-line help in *.opt.
7818         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
7819         -Wno-pedantic-ms-format is for MinGW targets only.
7821         * doc/options.texi (Option file format): Fix bad indentation,
7822         restoring dropped sentence.
7824 2009-02-28  Jan Hubicka  <jh@suse.cz>
7826         * tree-inline.c (tree_function_versioning): Output debug info.
7828 2009-02-28  Jan Hubicka  <jh@suse.cz>
7830         PR debug/39267
7831         * tree-inline.c (setup_one_parameter): Do not copy propagate
7832         arguments when not optimizing.
7834 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7836         PR target/39327
7837         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
7838         (avx_addsubv4df3): Likewise.
7839         (*avx_addsubv4sf3): Likewise.
7840         (sse3_addsubv4sf3): Likewise.
7841         (*avx_addsubv2df3): Likewise.
7842         (sse3_addsubv2df3): Likewise.
7843         (avx_unpckhps256): Correct item selectors.
7844         (avx_unpcklps256): Likewise.
7845         (avx_unpckhpd256): Likewise.
7846         (avx_unpcklpd256): Likewise.
7848 2009-02-28  Jan Hubicka  <jh@suse.cz>
7850         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
7851         static vars.
7852         (copy_arguments_for_versioning): If var is declared don't declare it.
7853         (tree_function_versioning): First setup substitutions and then copy
7854         args.
7856 2009-02-27  Jan Hubicka  <jh@suse.cz>
7858         PR debug/39267
7859         * cgraph.h (varpool_output_debug_info): Remove.
7860         * cgraphunit.c (varpool_output_debug_info): Remove.
7861         * dwarf2out.c (deferred_locations_struct): New struct
7862         (deferred_locations): New type.
7863         (deferred_locations_list): New static var.
7864         (deffer_location): New function.
7865         (gen_variable_die): Use it.
7866         (decls_for_scope): Output info on local static vars.
7867         (dwarf2out_finish): Process deferred locations.
7868         * varpool.c (varpool_output_debug_info): Remove.
7870 2009-02-27  Jan Hubicka  <jh@suse.cz>
7872         PR debug/39267
7873         * tree.h (TREE_PROTECTED): Fix comment.
7874         (BLOCK_HANDLER_BLOCK): Remove.
7875         (struct tree_block): Remove handler_block add body_block.
7876         (inlined_function_outer_scope_p): New.
7877         (is_body_block): Remove.
7878         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
7879         * dwarf2out.c (is_inlined_entry_point): Remove.
7880         (add_high_low_attributes): Use inlined_function_outer_scope_p.
7881         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
7882         code.
7883         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
7884         * gimplify.c (gimplify_expr): Gimplify body blocks.
7885         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
7886         block with multiple subblocks.
7887         (dump_scope_block): Prettier output; dump more flags and info.
7888         (dump_scope_blocks): New.
7889         (remove_unused_locals): Use dump_scope_blocks.
7890         * tree-flow.h (dump_scope_blocks): Declare.
7891         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
7892         * stmt.c (is_body_block): Remove.
7893         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
7894         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
7896 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
7898         PR middle-end/39308
7899         * graphite.c (graphite_loop_normal_form): Do not call
7900         number_of_iterations_exit from a gcc_assert.
7902 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7904         * config/s390/s390.c (s390_swap_cmp): Look for conditional
7905         jumps if COND is NULL.
7906         (find_cond_jump): New function.
7907         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
7908         * config/s390/s390.md: Remove z10_cobra attribute value.
7910 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
7912         * config/alpha/alpha.h (alpha_expand_mov): Return false if
7913         force_const_mem returns NULL_RTX.
7915 2009-02-26  Jan Hubicka  <jh@suse.cz>
7917         PR debug/39267
7918         * cgraph.h (varpool_output_debug_info): Remove.
7919         * cgraphunit.c (varpool_output_debug_info): Remove.
7920         * dwarf2out.c (deferred_locations_struct): New struct
7921         (deferred_locations): New type.
7922         (deferred_locations_list): New static var.
7923         (deffer_location): New function.
7924         (gen_variable_die): Use it.
7925         (decls_for_scope): Output info on local static vars.
7926         (dwarf2out_finish): Process deferred locations.
7927         * varpool.c (varpool_output_debug_info): Remove.
7929 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
7931         PR rtl-optimization/39241
7932         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
7933         to subreg_offset_representable_p.
7935 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
7937         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
7938         execute function prototype.  Get f and nregs from max_reg_num
7939         and get_insns.  Remove the first backward pass as it's dead,
7940         guard the forward pass by flag_expensive_optimizations.
7941         (rest_of_handle_regmove): Delete.
7942         (pass_regmove): Replace it with regmove_optimize.
7944 2009-02-25  Martin Jambor  <mjambor@suse.cz>
7946         PR tree-optimization/39259
7947         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
7948         calls_alloca function flags.
7949         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
7950         calls are detected.
7952 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
7954         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
7955         flags_set_1_rtx, flags_set_1_set): Delete.
7956         (regmove_optimize): Do not call mark_flags_life_zones.
7958 2009-02-24  Julian Brown  <julian@codesourcery.com>
7960         PR target/35965
7961         * config/arm/arm.c (require_pic_register): Only set
7962         cfun->machine->pic_reg once per function.
7964 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
7966         * doc/invoke.texi (Link Options): Document an easier way to pass
7967         options that take arguments to the GNU linker using -Xlinker and -Wl.
7969 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
7971         PR target/33785
7972         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
7974 2009-02-24  Richard Guenther  <rguenther@suse.de>
7976         PR debug/39285
7977         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
7979 2009-02-24  Richard Guenther  <rguenther@suse.de>
7980             Zdenek Dvorak  <ook@ucw.cz>
7982         PR tree-optimization/39233
7983         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
7984         from converting them to a generic type.
7986 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
7988         PR tree-optimization/39260
7989         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
7990         contains a condition with a real type.
7991         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
7993 2009-02-23  Jason Merrill  <jason@redhat.com>
7995         PR c++/38880
7996         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
7997         narrowing_initializer_constant_valid_p.
7998         (narrowing_initializer_constant_valid_p): Don't return
7999         null_pointer_node for adding a pointer to itself.
8001 2009-02-23  Jan Hubicka  <jh@suse.cz>
8003         PR c/12245
8004         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
8005         resizing.
8007 2009-02-23  Jan Hubicka  <jh@suse.cz>
8009         PR tree-optimization/37709
8010         * tree.c (block_ultimate_origin): Move here from dwarf2out.
8011         * tree.h (block_ultimate_origin): Declare.
8012         * dwarf2out.c (block_ultimate_origin): Move to tree.c
8013         * tree-ssa-live.c (remove_unused_scope_block_p):
8014         Eliminate blocks containig no instructions nor live variables nor
8015         nested blocks.
8016         (dump_scope_block): New function.
8017         (remove_unused_locals): Enable removal of dead blocks by default;
8018         enable dumping at TDF_DETAILS.
8020 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8022         * config/i386/i386.c (classify_argument): Don't allow COImode
8023         and OImode.
8024         (function_arg_advance_32): Don't allow OImode.
8025         (function_arg_32): Likewise.
8026         (function_value_32): Likewise.
8027         (return_in_memory_32): Likewise.
8028         (function_arg_64): Remove OImode comment.
8030 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8032         PR target/39261
8033         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
8034         ix86_expand_vector_set for V4DImode in 64bit mode only.
8035         (ix86_expand_vector_init_one_var): Likewise.
8037 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8039         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
8041 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8043         PR bootstrap/39257
8044         * loop-iv.c: Revert last change.
8045         * emit-rtl.c: Likewise.
8047 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8049         PR target/39256
8050         * config/i386/i386.c (type_natural_mode): Remove an extra
8051         space in the warning message.
8052         (function_value_32): Handle 32-byte vector modes.
8053         (return_in_memory_32): Likewise.
8055 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8057         * loop-iv.c (truncate_value): New function.
8058         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
8059         of lowpart_subreg.
8060         (lowpart_subreg): Move to...
8061         * emit-rtl.c: ...here.
8063 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
8065         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
8066         accidental and undocumented change at revision 140860.
8068 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
8070         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
8071         take gimple_seq * arguments.
8072         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
8073         types_compatible_p langhook.
8075 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
8076             Joseph Myers  <joseph@codesourcery.com>
8078         * config/arm/arm.c (arm_builtin_va_list): New function.
8079         (arm_expand_builtin_va_start): Likewise.
8080         (arm_gimplify_va_arg_expr): Likewise.
8081         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
8082         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
8083         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
8084         (va_list_type): New variable.
8085         (arm_mangle_type): Mangle va_list_type appropriately.
8087 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8089         PR middle-end/39157
8090         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
8091         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
8092         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
8093         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
8094         parameter to 1000 for -O1 by default.
8095         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
8096         parameter.
8097         * loop-invariant.c: Include params.h.
8098         (move_loop_invariants): Don't call move_single_loop_invariants on
8099         very large loops.
8101 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
8103         * calls.c (emit_library_call_value_1): Use slot_offset instead of
8104         offset when calculating bounds for indexing stack_usage_map.  Fixes
8105         a buffer overflow with certain target setups.
8107 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8109         PR target/39240
8110         * calls.c (expand_call): Clear try_tail_call if caller and callee
8111         disagree in promotion of function return value.
8113 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
8115         PR target/39175
8116         * c-common.c (c_determine_visibility): If visibility changed and
8117         DECL_RTL has been already set, call make_decl_rtl to update symbol
8118         flags.
8120 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8122         PR c++/39188
8123         * varasm.c (assemble_variable): Don't check DECL_NAME when
8124         globalizing a variable.
8126 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
8128         PR c/38483
8129         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
8130         expression before any __builtin_trap call.
8131         * c-typeck.c (build_function_call): Convert and check function
8132         arguments before generating a call to a trap.  Evaluate the
8133         function arguments before the trap.
8135 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
8137         PR target/39228
8138         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
8139         (UNSPEC_FXAM_MEM): New unspec.
8140         (fxam<mode>2_i387_with_temp): New insn and split pattern.
8141         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
8142         memory using fxam<mode>2_i387_with_temp to remove excess precision.
8144 2009-02-19  Richard Guenther  <rguenther@suse.de>
8146         PR tree-optimization/39207
8147         PR tree-optimization/39074
8148         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
8149         storedanything_tree): New.
8150         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
8151         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
8152         (build_succ_graph): Add edges from STOREDANYTHING to all
8153         non-direct nodes.
8154         (init_base_vars): Initialize STOREDANYTHING.
8155         (compute_points_to_sets): Free substitution info after
8156         building the succ graph.
8157         (ipa_pta_execute): Likewise.
8159         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
8160         field.
8161         (do_ds_constraint): Do not add to special var or non-pointer
8162         field solutions.
8163         (type_could_have_pointers): Split out from ...
8164         (could_have_pointers): ... here.  For arrays use the element type.
8165         (create_variable_info_for): Initialize may_have_pointers.
8166         (new_var_info): Likewise.
8167         (handle_lhs_call): Make the HEAP variable unknown-sized.
8168         (intra_create_variable_infos): Use a type with pointers for
8169         PARM_NOALIAS, make it unknown-sized.
8171 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8173         PR target/39224
8174         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
8176 2009-02-18  Jason Merrill  <jason@redhat.com>
8178         PR target/39179
8179         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
8180         value if DECL_EXTERNAL.
8181         * tree-sra.c (sra_walk_gimple_assign): Likewise.
8182         * target.h (gcc_target::binds_local_p): Clarify "module".
8183         * tree.h (TREE_PUBLIC): Clarify "module".
8185 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
8187         PR target/38891
8188         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
8189         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
8191 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
8193         PR target/39082
8194         * c.opt (Wabi): Support C and ObjC.
8195         (Wpsabi): New.
8197         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
8199         * config/i386/i386.c (classify_argument): Warn once about the ABI
8200         change when passing union with long double.
8202         * doc/invoke.texi: Update -Wabi for warning psABI changes.
8204 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
8206         PR c/35447
8207         * c-parser.c (c_parser_compound_statement): Always enter and leave
8208         a scope.
8210 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8212         PR target/34587
8213         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
8215 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
8217         PR tree-optimization/36922
8218         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
8219         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
8220         Likewise.
8222 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8224         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
8225         to 0 for EABI64.
8227 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8229         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
8231 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8233         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
8234         tree sharing.
8236 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
8237             Richard Sandiford  <rdsandiford@googlemail.com>
8239         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
8240         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
8241         (loongson_biadd): ...this.
8243 2009-02-17  Richard Guenther  <rguenther@suse.de>
8245         PR tree-optimization/39202
8246         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
8247         a var make sure to follow existing collapses.
8249 2009-02-17  Richard Guenther  <rguenther@suse.de>
8251         PR middle-end/39214
8252         * langhooks.c (lhd_print_error_function): Check for NULL block.
8254 2009-02-17  Richard Guenther  <rguenther@suse.de>
8256         PR tree-optimization/39204
8257         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
8258         of the PHI arg.
8260 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
8262         * config/soft-fp/double.h: Update from glibc CVS.
8264 2009-02-17  Richard Guenther  <rguenther@suse.de>
8266         PR tree-optimization/39207
8267         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
8268         strict-aliasing warnings for pointers pointing to NULL.
8270 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
8272         PR c/35446
8273         * c-parser.c (c_parser_braced_init): Call pop_init_level when
8274         skipping until next close brace.
8276 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8278         PR target/37049
8279         * config/i386/i386.c (ix86_expand_push): Set memory alignment
8280         to function argument boundary.
8282 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8284         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
8285         in the lea_add. Reload eventually constraints it properly.
8286         * config/picochip/constraints.md : Remove the target constraint
8287         "b", since it is not needed anymore.
8289 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
8291         * gthr-dce.h: Uglify function parameter and local variable names.
8292         * gthr-gnat.h: Likewise.
8293         * gthr-mipssde.h: Likewise.
8294         * gthr-nks.h: Likewise.
8295         * gthr-posix95.h: Likewise.
8296         * gthr-posix.h: Likewise.
8297         * gthr-rtems.h: Likewise.
8298         * gthr-single.h: Likewise.
8299         * gthr-solaris.h: Likewise.
8300         * gthr-tpf.h: Likewise.
8301         * gthr-vxworks.h: Likewise.
8302         * gthr-win32.h: Likewise.
8304 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8306         PR target/39196
8307         * config/i386/i386.md: Restrict the new peephole2 to move
8308         between MMX/SSE registers.
8310 2009-02-15  Richard Guenther  <rguenther@suse.de>
8312         Revert
8313         2009-02-13  Richard Guenther  <rguenther@suse.de>
8315         * configure.ac: Enable LFS.
8316         * configure: Re-generate.
8317         * config.in: Likewise.
8319 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8321         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
8322         spu_srqwbyte, spu_srqwbytebc): Define.
8323         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
8324         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
8325         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
8326         "shrqby_<mode>"): New insn-and-split patterns.
8327         * config/spu/spu.c (expand_builtin_args): Determine and return
8328         number of operands using spu_builtin_description data.
8329         (spu_expand_builtin_1): Use it.
8331 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
8333         PR target/38056
8334         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
8335         TARGET_CONST_GP.
8337 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8339         PR target/39149
8340         * config/i386/i386.c (override_options): Correct warning
8341         messages for -malign-loops, -malign-jumps and -malign-functions.
8343 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8345         PR target/39152
8346         * config/i386/i386.md: Restrict the new peephole2 to move
8347         between the general purpose registers.
8349 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8351         PR target/39162
8352         * config/i386/i386.c (type_natural_mode): Add a new argument.
8353         Return the original mode and warn ABI change if vector size is 32byte.
8354         (function_arg_advance): Updated.
8355         (function_arg): Likewise.
8356         (ix86_function_value): Likewise.
8357         (ix86_return_in_memory): Likewise.
8358         (ix86_sol10_return_in_memory): Likewise.
8359         (ix86_gimplify_va_arg): Likewise.
8360         (function_arg_32): Don't warn ABX ABI change here.
8361         (function_arg_64): Likewise.
8363 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8365         * loop-iv.c (implies_p): In the final case, test that operands 0
8366         of the two comparisons match.
8368         * config/bfin/bfin.c (find_prev_insn_start): New function.
8369         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
8370         (find_next_insn_start): Move.
8372 2009-02-13  Richard Guenther  <rguenther@suse.de>
8374         * configure.ac: Enable LFS.
8375         * configure: Re-generate.
8376         * config.in: Likewise.
8378 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
8380         PR c/35444
8381         * c-parser.c (c_parser_parms_list_declarator): Discard pending
8382         sizes on syntax error after some arguments have been parsed.
8384 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8386         * doc/invoke.texi (-fira): Remove.
8388 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8390         * caller-save.c: Replace regclass.c with reginfo.c in comments.
8391         * recog.c: Likewise.
8392         * rtl.h: Likewise.
8394 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
8396         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
8397         (umul_ppmm): Likewise.
8398         (count_leading_zeros): Likewise.
8399         (count_trailing_zeros): Likewise.
8400         (UMUL_TIME): Likewise.
8402 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8404         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
8405         soft-fp/t-softfp to tmake_file.
8407         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
8408         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
8409         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
8410         IA64_BUILTIN_INFQ]: New.
8411         (ia64_init_builtins): Initialize __builtin_infq,
8412         __builtin_fabsq and __builtin_copysignq if not HPUX.
8413         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
8414         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
8416         * config/ia64/lib1funcs.asm (__divtf3): Define only if
8417         SHARED is defined.
8418         (__fixtfti): Likewise.
8419         (__fixunstfti): Likewise.
8420         (__floattitf): Likewise.
8422         * config/ia64/libgcc-glibc.ver: New.
8423         * config/ia64/t-fprules-softfp: Likewise.
8424         * config/ia64/sfp-machine.h: Likewise.
8426         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
8427         (LIBGCC2_TF_CEXT): Likewise.
8428         (TF_SIZE): Likewise.
8429         (TARGET_INIT_LIBFUNCS): Likewise.
8431         * config/ia64/t-glibc (SHLINB_MAPFILES):
8432         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
8434 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8436         * config/i386/i386.c (construct_container): Rewrite processing
8437         BLKmode with X86_64_SSE_CLASS.
8439 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
8441         PR target/39152
8442         * config/i386/i386.md: Replace simplify_replace_rtx with
8443         replace_rtx in the new peephole2.
8445 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
8447         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
8448         loop unrolling do not happen at -O2.
8450 2009-02-12  Michael Matz  <matz@suse.de>
8452         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
8454 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8456         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
8457         for -g3.
8459 2009-02-12  Ben Elliston  <bje@au.ibm.com>
8461         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
8462         patterns when updating the back chain.  Missed in the 2009-02-10
8463         change.
8465 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
8467         * doc/extend.texi (Decimal Floating Types): Update identifier of
8468         draft TR and list of missing support.
8470 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
8472         PR middle-end/39154
8473         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
8474         bit to variable length decl's flags, add it also to its
8475         pointer replacement variable.
8477 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
8478             Jakub Jelinek  <jakub@redhat.com>
8480         PR target/39118
8481         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
8482         (memory_blockage): New expander.
8483         (*memory_blockage): New insn pattern.
8484         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
8485         instead of general blockage at the end of function prologue when
8486         frame pointer is used to access red zone area.  Do not emit blockage
8487         when profiling, it is emitted in generic code.
8488         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
8489         function epilogue when frame pointer is used to access red zone area.
8491 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
8493         PR target/38824
8494         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
8495         by arithmetic with memory operands.
8496         * config/i386/predicates.md (commutative_operator): New.
8498 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
8500         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
8501         bulleted lists.
8503 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
8505         * alias.h (record_alias_subset): Declare.
8506         * alias.c (record_alias_subset): Make global.
8508 2009-02-10  Nick Clifton  <nickc@redhat.com>
8510         * tree-parloops.c: Change license to GPLv3.
8511         * ipa-struct-reorg.c: Change license to GPLv3.
8512         * ipa-struct-reorg.h: Change license to GPLv3.
8514 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
8516         PR c/39084
8517         * c-decl.c (start_struct): Return NULL on error.
8519 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
8521         PR middle-end/39124
8522         * cfgloopmanip.c (remove_path): Call remove_bbs after
8523         cancel_loop_tree, not before it.
8525         PR target/39139
8526         * function.h (struct function): Add has_local_explicit_reg_vars bit.
8527         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
8528         VAR_DECLs were seen.
8529         * tree-ssa-live.c (remove_unused_locals): Recompute
8530         cfun->has_local_explicit_reg_vars.
8531         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
8532         copies or clearings if cfun->has_local_explicit_reg_vars.
8534 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
8536         PR target/39118
8537         * config/i386/i386.c (expand_prologue): Emit blockage at the end
8538         of function prologue when frame pointer is used to access
8539         red zone area.
8541 2009-02-10  Richard Guenther  <rguenther@suse.de>
8543         PR middle-end/39127
8544         * gimplify.c (gimple_regimplify_operands): Always look if
8545         we need to create a temporary.
8547 2009-02-10  Richard Guenther  <rguenther@suse.de>
8549         PR tree-optimization/39132
8550         * tree-loop-distribution.c (todo): New global var.
8551         (generate_memset_zero): Trigger TODO_rebuild_alias.
8552         (tree_loop_distribution): Return todo.
8554 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8556         PR target/39119
8557         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
8558         (x86_64_reg_class_name): Removed.
8559         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
8560         first one isn't X86_64_SSE_CLASS or any other ones aren't
8561         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
8562         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
8563         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
8564         and 3 X86_64_SSEUP_CLASS.
8565         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
8566         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
8568 2009-02-10  Ben Elliston  <bje@au.ibm.com>
8570         * config/rs6000/rs6000.md (allocate_stack): Always use an update
8571         form instruction to update the stack back chain word, even if the
8572         user has disabled the generation of update instructions.
8573         (movdi_<mode>_update_stack): New.
8574         (movsi_update_stack): Likewise.
8575         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
8576         always use an update form instruction to update the stack back
8577         chain word.
8579 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
8581         PR middle-end/38953
8582         * graphite.c (if_region_set_false_region): After moving a region in
8583         the false branch of a condition, remove the empty dummy basic block.
8584         (gloog): Remove wrong fix for PR38953.
8586 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8588         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
8589         generation due to implicit sign extension.
8591 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
8593         PR middle-end/38981
8594         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
8595         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
8597 2009-02-09  Richard Guenther  <rguenther@suse.de>
8599         PR middle-end/35202
8600         * convert.c (convert_to_real): Disable (float)fn((double)x)
8601         to fnf(x) conversion if errno differences may occur and
8602         -fmath-errno is set.
8604 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
8606         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
8607         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8608         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8610 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
8612         PR c/35434
8613         * c-common.c (handle_alias_attribute): Disallow attribute for
8614         anything not a FUNCTION_DECL or VAR_DECL.
8616 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
8618         PR c/39035
8619         * real.c (do_compare): Special-case compare of zero against
8620         decimal float value.
8622 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
8624         PR c/36432
8625         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
8626         as indicating flexible array members unless the field itself is
8627         being declarared as the incomplete array.
8629 2009-02-06  Jan Hubicka  <jh@suse.cz>
8631         PR tree-optimization/38844
8632         * ipa-inline.c (try_inline): Stop inlining recursion when edge
8633         is already inlined.
8635 2009-02-06  Richard Guenther  <rguenther@suse.de>
8637         PR middle-end/38977
8638         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
8639         fork because we may expand it as __gcov_fork.
8641 2009-02-06  Nick Clifton  <nickc@redhat.com>
8643         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
8645 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
8647         PR tree-optimization/35659
8648         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
8649         vn_phi_eq): Shortcut if hashcode does not match.
8650         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
8651         NULL operands.
8652         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
8653         and avoid iterative_hash_expr.
8654         (FOR_EACH_VALUE_ID_IN_SET): New.
8655         (value_id_compare): Remove.
8656         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
8657         sort expressions by value id.
8659 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
8661         PR target/38991
8662         * config/sh/predicates.md (general_movsrc_operand): Don't check
8663         the subreg of system registers here.
8665 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
8667         PR c++/39106
8668         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
8669         on the copied decl.
8671 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
8673         PR rtl-optimization/39110
8674         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
8675         addresses, not aligned ones.
8677 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
8678             Richard Guenther  <rguenther@suse.de>
8680         PR tree-optimization/39100
8681         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
8682         comment says and add edges.
8684 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
8686         PR c/35435
8687         * c-common.c (handle_tls_model_attribute): Ignore attribute for
8688         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
8690 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8692         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
8693         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
8694         register_bb_in_sese, new_sese, free_sese): Moved.
8695         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
8696         outermost_loop_in_scop, build_scop_iteration_domain,
8697         expand_scalar_variables_ssa_name, get_vdef_before_scop,
8698         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
8699         Use loop_in_sese_p instead of loop_in_scop_p.
8700         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
8701         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
8702         (scopdet_basic_block_info): Fix bug in scop detection.
8703         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8704         eq_loop_to_cloog_loop): Remove.
8705         (nb_loops_around_loop_in_scop, nb_loop
8706         ref_nb_loops): Moved here...
8707         * graphite.h (ref_nb_loops): ... from here.
8708         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
8709         (loop_domain_dim, loop_iteration_vector_dim): Remove.
8710         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
8711         * testsuite/gcc.dg/graphite/scop-19.c: New
8713 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
8714             Hans-Peter Nilsson  <hp@axis.com>
8716         PR rtl-optimization/37889
8717         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
8718         Move offset handling from PLUS to before the switch.  Use new
8719         arguments when considering SYMBOL_REFs too.
8720         (rtx_addr_can_trap_p): Pass dummy offset and size.
8721         (enum may_trap_p_flags): Remove.
8722         (may_trap_p_1): Pass size from MEM_SIZE.
8724         PR rtl-optimization/38921
8725         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
8726         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
8727         * rtlanal.c (may_trap_after_code_motion_p): Delete.
8728         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
8730 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
8732         AVX Programming Reference (January, 2009)
8733         * config/i386/sse.md (*vpclmulqdq): New.
8735 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
8737         PR tree-optimization/38977
8738         PR gcov-profile/38292
8739         * calls.c (special_function_p): Disregard __builtin_ prefix.
8741 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
8743         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
8744         non-indexable addresses even before reload.
8746 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
8748         PR c/29129
8749         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
8750         as having variable size.  Do not give an error for unnamed
8751         parameters with [*] declarators.  Give a warning for type names
8752         with [*] declarators and mark them as variable size.
8753         * c-parser.c (c_parser_sizeof_expression): Do not give an error
8754         for sizeof applied to [*] type names.
8756 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8758         PR C++/36607
8759         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
8761 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
8763         * gcc.c (process_command): Update copyright notice dates.
8764         * gcov.c (print_version): Likewise.
8765         * gcov-dump.c (print_version): Likewise.
8766         * mips-tfile.c (main): Likewise.
8767         * mips-tdump.c (main): Likewise.
8769 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
8771         PR c/35433
8772         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
8773         for composite type involving a zero-length array type.
8775 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
8777         PR target/35318
8778         * function.c (match_asm_constraints_1): Skip over
8779         initial optional % in the constraint.
8781         PR inline-asm/39059
8782         * c-parser.c (c_parser_postfix_expression): If fixed point is not
8783         supported, don't accept FIXED_CSTs.
8784         * c-decl.c (finish_declspecs): Error if fixed point is not supported
8785         and _Sat is used without _Fract/_Accum.  Set specs->type to
8786         integer_type_node for cts_fract/cts_accum if fixed point is not
8787         supported.
8789 2009-02-02  Catherine Moore  <clm@codesourcery.com>
8791         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
8793 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
8795         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
8796         (ABI_HAS_64BIT_SYMBOLS): Use it.
8797         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
8799 2009-02-02  Paul Brook  <paul@codesourcery.com>
8801         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
8803 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
8805         PR inline-asm/39058
8806         * recog.h (asm_operand_ok): Add constraints argument.
8807         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
8808         recurse on matching constraint.
8809         (check_asm_operands): Pass constraints as 3rd argument to
8810         asm_operand_ok.  Don't look up matching constraint here.
8811         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
8812         to asm_operand_ok.
8814 2009-02-02  Ben Elliston  <bje@au.ibm.com>
8816         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
8817         TARGET_NARROW_VOLATILE_BITFIELD macro names.
8819 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8821         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
8822         information.  Remove some obsolete information.  Reorganize.
8824         * config/pa/fptr.c: Revert license to GPL 2.
8825         * config/pa/milli64.S: Likewise.
8827 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
8829         PR target/38904
8830         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
8831         LIBRARY name in, instead of hard-coding it.
8832         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
8833         extra target make frag to tmake_files according to EH model.
8834         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
8835         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
8836         frags that define makefile variable EH_MODEL appropriately.
8837         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
8838         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
8839         to "-sjlj" according to type of EH configured.
8840         (LIBGCC_SONAME):  Concatenate it to shared library base name.
8841         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
8842         to "_sjlj" according to type of EH configured.
8843         (LIBGCC_SONAME):  Concatenate it to shared library base name.
8844         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
8845         (SHLIB_LINK):  Add missing semicolon to if-else construct.
8846         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
8847         string value of "pe_dll" command-line option.
8848         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
8849         (SHLIB_SONAME):  Use it when overriding t-cygming default.
8850         (SHLIB_IMPLIB):  Override t-cygming default.
8851         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
8852         string value of "pe_dll" command-line option.
8854 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
8856         PR target/38952
8857         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
8858         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
8860 2009-01-31  Richard Guenther  <rguenther@suse.de>
8862         PR tree-optimization/38937
8863         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
8864         computing the transitive closure.
8866 2009-01-30  Richard Guenther  <rguenther@suse.de>
8868         PR tree-optimization/39041
8869         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
8870         Propagate variable indices only if the types match for this stmt.
8872 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
8874         PR target/39013
8875         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
8876         inline but never defined.
8878 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
8880         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
8881         (*insv_h_di_reg_extimm): New insn.
8882         (*insv_l<mode>_reg_extimm): New insn.
8884 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
8886         * config/picochip/picochip.c (flag_conserve_stack): set
8887         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
8888         fconserve-stack. Reduce call-overhead used by inliner.
8890 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
8892         PR/38157
8893         * common.opt (flag_conserve_stack): Initialised to zero.
8895 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
8897         PR/39002
8898         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
8899         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
8900         method.
8902 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
8904         * ira-color.c (allocno_reload_assign): Update comments.
8905         * regmove.c (regmove_optimize): Likewise.
8907         * ra.h: Removed.
8909 2009-01-29  Robert Millan  <rmh@aybabtu.com>
8911         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
8912         * config/i386/kopensolaris-gnu.h: New file.  Undefine
8913         `MD_UNWIND_SUPPORT'.
8914         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
8916 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
8918         PR tree-optimization/39007
8919         * tree-loop-distribution.c (generate_builtin): Use
8920         recompute_dominator to compute the immediate dominator of the
8921         basic block just after the loop.
8923 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8925         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
8926         (ASM_OUTPUT_DWARF_PCREL): Define.
8928 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
8930         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
8931         * doc/passes.texi: Remove entries about regclass, local-alloc, and
8932         global.  Modify entries about regmove and IRA.
8934         * ra-conflict.c: Remove the file.
8936         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
8938         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
8939         (pass_regclass_init): Rename to pass_reginfo_init.
8941         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
8943         * toplev.h (flag_ira): Remove.
8945         * caller-save.c (setup_save_areas): Remove flag_ira.
8947         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
8949         * global.c: Remove the file.
8951         * opts.c (decode_options): Remove flag_ira.
8953         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
8955         * regmove.c: Modify file description.
8956         (find_use_as_address, try_auto_increment): Define them only if
8957         AUTO_INC_DEC is defined.
8958         (replacement_quality, replace_in_call_usage, fixup_match_1,
8959         stable_and_no_regs_but_for_p): Remove.
8960         (reg_set_in_bb): Make it static.
8961         (regmove_optimize): Remove flag_ira and code which worked for
8962         !flag_ira.
8964         * local-alloc.c: Remove the file.
8966         * common.opt (fira): Remove.
8968         * ira.c: Include except.h.
8969         (eliminable_regset): Move from global.c.
8970         (mark_elimination): Ditto.  Remove flag_ira.
8971         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
8972         equiv_mem_modified, validate_equiv_mem_from_store,
8973         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
8974         contains_replace_regs, memref_referenced_p, memref_used_between_p,
8975         no_equiv, recorded_label_ref): Move from local-alloc.c.
8976         (update_equiv_regs): Ditto.  Make it static.
8977         (print_insn_chain, print_insn_chains): Move it from global.c.
8978         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
8979         (build_insn_chain): Ditto.  Make it static.
8980         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
8981         Rename to init_live_subregs.
8982         (gate_ira): Remove flag_ira.
8984         * regclass.c: Rename reginfo.c.  Change file description.
8985         (FORBIDDEN_INC_DEC_CLASSES): Remove.
8986         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
8987         (init_reg_sets_1): Remove code for evaluation of
8988         reg_class_superclasses and losing_caller_save_reg_set.
8989         (init_regs): Remove init_reg_autoinc.
8990         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
8991         ok_for_base_p_nonstrict): Remove.
8992         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
8993         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
8994         corresponding entries.
8995         (dump_regclass, record_operand_costs, scan_one_insn,
8996         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
8997         record_address_regs, auto_inc_dec_reg_p): Remove.
8998         (gt-regclass.h): Rename to gt-reginfo.h.
9000         * rtl.h (dump_global_regs, retry_global_alloc,
9001         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
9003         * Makefile.in (RA_H): Remove.
9004         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
9005         Rename regclass.o to reginfo.o.
9006         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
9007         gt-reginfo.h.
9008         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
9009         (GTFILES): Rename regclass.c to reginfo.c.
9011         * passes.c (init_optimization_passes): Remove pass_local_alloc and
9012         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
9014         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9015         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
9016         Remove flag_ira.
9017         (finish_spills): Ditto.  Remove code for !flag_ira.
9019 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
9021         PR middle-end/35854
9022         * doc/invoke.texi (rtl debug options): Complete rewrite.
9023         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
9024         to auto_inc_dec".
9025         * mode-switching.c (pass_mode_switching): Rename pass from
9026         "mode-sw" to "mode_sw".
9027         * except.c (pass_convert_to_eh_ranges): Rename pass from
9028         "eh-ranges" to "eh_ranges".
9029         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
9030         to "subreg1".
9033 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
9034             Alexander Monakov  <amonakov@ispras.ru>
9036         PR middle-end/38857
9037         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
9038         register.
9039         (move_exprs_to_boundary): Change return type and pass through
9040         should_move from move_op.  Relax assert.  Update usage ...
9041         (schedule_expr_on_boundary): ... here.  Use should_move instead of
9042         cant_move.
9043         (move_op_orig_expr_found): Indicate that insn was disconnected from
9044         stream.
9045         (code_motion_process_successors): Do not call after_merge_succs
9046         callback if original expression was not found when traversing any of
9047         the branches.
9048         (code_motion_path_driver): Change return type.  Update prototype.
9049         (move_op): Update comment.  Add a new parameter (should_move).  Update
9050         prototype.  Set *should_move based on indication provided by
9051         move_op_orig_expr_found.
9053 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9055         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
9056         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
9057         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
9058         * config/rs6000/rs6000.c (rs6000_override_options): Default
9059         avoid-indexed-addresses on for Power6, off for everything else.
9060         (avoiding_indexed_address_p): New function.
9061         (rs6000_legitimize_address): Use it.
9062         (rs6000_legitimate_address): Likewise.
9063         * config/rs6000/rs6000.md (movXX_updateX): Likewise
9065 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
9067         PR tree-optimization/38997
9068         * tree-loop-distribution.c (generate_memset_zero): Use
9069         POINTER_PLUS_EXPR for a pointer addition.
9071 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9073         * config/s390/s390.md (bswap<mode>2): New pattern added.
9075 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9077         * config/s390/s390.md (*tls_load_31): Added type attribute.
9079 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9081         * config/s390/s390.md: Fix a few comments.
9083 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9085         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
9086         (*tm<mode>_full): Fixed z10prop attribute.
9087         (*tst<mode>_extimm): Fixed z10prop attribute.
9088         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
9089         (*tstqiCCT_cconly): Fixed z10prop attribute.
9090         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
9091         (*movsi_larl): Fixed z10prop attribute.
9092         (*movsi_zarch): Fixed z10prop attribute.
9093         (*movsi_eas): Fixed z10prop attribute.
9094         (*movhi): Fixed z10prop attribute.
9095         (*movqi): Fixed z10prop attribute.
9096         (*movstrictqi): Fixed z10prop attribute.
9097         (*mov<mode>): Fixed z10prop attribute.
9098         (*movcc): Fixed z10prop attribute.
9099         (*sethighpartdi_64): Fixed z10prop attribute.
9100         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
9101         (*negdi2_sign_cc): Fixed z10prop attribute.
9102         (*negdi2_sign): Fixed z10prop attribute.
9103         (*absdi2_sign_cc): Fixed z10prop attribute.
9104         (*absdi2_sign): Fixed z10prop attribute.
9105         (*negabsdi2_sign_cc): Fixed z10prop attribute.
9106         (*negabsdi2_sign): Fixed z10prop attribute.
9107         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
9108         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
9109         (doloop_si64): Fixed z10prop attribute.
9110         (doloop_si31): Fixed z10prop attribute.
9111         (doloop_long): Fixed z10prop attribute.
9112         (indirect_jump): Fixed z10prop attribute.
9113         (nop): Fixed z10prop attribute.
9114         (main_base_64): Fixed z10prop attribute.
9115         (reload_base_64): Fixed z10prop attribute.
9117 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9119         PR rtl-optimization/38740
9120         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
9121         if !optimize.
9122         * config/mips/mips.c (mips_reorg): Likewise.
9124 2009-01-28  Richard Guenther  <rguenther@suse.de>
9126         PR tree-optimization/38926
9127         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
9128         with the correct value id to a value.
9129         (do_regular_insertion): Use the value number of edoubleprime
9130         for the value number of the expr.
9132         Revert
9133         2008-08-21  Richard Guenther  <rguenther@suse.de>
9135         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
9136         a PHI ask VN if it is already available.
9137         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
9138         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
9140 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9142         PR middle-end/38934
9143         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
9144         set to varying whenever max has TREE_OVERFLOW set, similarly
9145         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
9147 2009-01-28  Richard Guenther  <rguenther@suse.de>
9149         PR middle-end/38908
9150         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
9151         uninitialized aggregate uses in call arguments.
9153 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
9155         PR tree-optimization/38984
9156         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
9157         the nothing_id variable if -fno-delete-null-pointer-checks.
9159 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
9161         PR target/38988
9162         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
9163         (set_got_offset_rex64): Ditto.
9165 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9167         PR target/38941
9168         * doc/extend.texi: Improve local variable with asm reg.
9170 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
9172         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
9173         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
9174         was not supplied then set warn_packed_bitfield_compat to the
9175         default value of 1.
9176         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
9177         against 1.
9179 2009-01-27  Richard Guenther  <rguenther@suse.de>
9181         PR tree-optimization/38503
9182         * cfgexpand.c (expand_gimple_basic_block): Ignore
9183         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
9184         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
9185         variables that cannot have TBAA applied.
9186         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
9187         statements.
9189 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
9191         PR middle-end/38969
9192         * calls.c (initialize_argument_information): Do not wrap complex
9193         arguments in SAVE_EXPR.
9195 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
9197         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
9198         (INSTALL_LIBGCC): Revert typo commit.
9200 2009-01-26  Richard Guenther  <rguenther@suse.de>
9202         PR tree-optimization/38745
9203         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
9204         from special handling.
9206 2009-01-26  Richard Guenther  <rguenther@suse.de>
9208         PR tree-optimization/38745
9209         * tree-ssa.c (execute_update_addresses_taken): Do not include
9210         variables that cannot possibly be a register in not_reg_needs.
9211         Do not clear TREE_ADDRESSABLE on vars that may not become
9212         registers.
9213         * tree-ssa.c (update_alias_info_1): Include those in the set
9214         of addressable vars.
9216 2009-01-26  Richard Guenther  <rguenther@suse.de>
9218         PR middle-end/38851
9219         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
9220         * tree-ssa-dse.c: Include langhooks.h
9221         (execute_simple_dse): Remove stores with zero size.
9223 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
9225         PR c/38957
9226         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
9227         as PLUS_EXPR.
9229 2009-01-24  Julian Brown  <julian@codesourcery.com>
9231         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
9232         config/arm/linux-atomic.c.
9233         * config/arm/linux-atomic.c: New.
9235 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
9237         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
9238         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
9239         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
9241 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9243         PR c/38938
9244         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
9245         properly.
9247 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
9249         PR tree-optimization/38953
9250         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
9251         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
9252         (gloog): Split the exit of the scop when the scop exit is a loop exit.
9253         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
9254         changed the CFG.
9256 2009-01-24  Paul Brook  <paul@codesourcery.com>
9258         * config/arm/neon.md (neon_type): Move to arm.md.
9259         (neon_mov<VSTRUCT>): Add neon_type attribute.
9260         * config/arm/arm.md (neon_type): Move to here.
9261         (conds): Add "unconditioal" and use as default for NEON insns.
9263 2009-01-24  Ben Elliston  <bje@au.ibm.com>
9265         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
9266         void *' warning from -Wc++-compat.
9267         * Makefile.in (dominance.o-warn): Remove.
9269 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
9271         PR tree-optimization/38932
9272         * fold-const.c (fold_unary_ignore_overflow): New.
9273         * tree.h (fold_unary_ignore_overflow): Declare.
9274         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
9275         * tree-ssa-sccvn.c (visit_reference_op_load,
9276         simplify_unary_expression): Likewise.
9278 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
9280         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
9281         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
9282         regardless of their type.
9283         * c-common.c (handle_packed_attribute): Don't ignore packed on
9284         bitfields.
9285         * c.opt (Wpacked-bitfield-compat): New warning option.
9286         * stor-layout.c (place_field): Warn if offset of a field changed.
9287         * doc/extend.texi (packed): Mention the ABI change.
9288         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
9289         (Warning Options): Add it to the list.
9291 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9293         * c-opts.c (c_common_post_options): Fix a typo in comments.
9295 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
9297         PR middle-end/38615
9298         * gimplify.c (gimplify_init_constructor): Fix promotion of const
9299         variables to static.
9300         * doc/invoke.texi (-fmerge-all-constants): Update description.
9302 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
9304         PR target/38931
9305         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
9306         (*movdi_1_rex64): Use type "mmx" for alternative 5.
9308 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
9310         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
9311         a word boundary.
9312         (LOCAL_ALIGNMENT): Similarly.
9314 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9315             Joseph Myers  <joseph@codesourcery.com>
9317         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
9318         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
9319         * config/arm/arm-tune.md: Regenerate.
9320         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
9321         -march=iwmmxt2.
9323 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9325         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
9326         version number to five.
9328 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
9330         PR c++/38930
9331         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
9332         * c-common.c (set_underlying_type): Likewise.
9333         (is_typedef_decl ): Likewise
9334         * tree.h: Likewise
9335         (set_underlying_type): Likewise.
9336         (is_typedef_type): Likewise.
9338 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9340         PR middle-end/38587
9341         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
9342         crossing setjmps.
9344 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9346         PR bootstrap/37660
9347         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
9348         (LIBGCC_SPEC):  Don't define.
9349         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
9351 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
9353         PR rtl-optimization/38879
9354         * alias.c (base_alias_check): Unaligned access via AND address can
9355         alias all surrounding object types except those with sizes equal
9356         or wider than the size of unaligned access.
9358 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
9360         PR c++/26693
9361         * c-decl.c (clone_underlying_type): Move this ...
9362         * c-common.c (set_underlying_type): ... here.
9363         Also, make sure the function properly sets TYPE_STUB_DECL() on
9364         the newly created typedef variant type.
9365         (is_typedef_decl ): New entry point.
9366         * tree.h: Added a new member member_types_needing_access_check to
9367         struct tree_decl_non_common.
9368         (set_underlying_type): New entry point.
9369         (is_typedef_type): Likewise.
9371 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
9373         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
9374         Check whether two instructions have memory references that
9375         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
9376         are helper functions for traversing.
9377         * alias.h (insn_alias_sets_confilict_p): New prototypes.
9378         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
9379         not to draw dependency edge for instructions with non-conflicting
9380         alias sets.
9382 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
9384         PR other/38758
9385         * longlong.h: Update copyright years.  Use soft-fp license notice.
9386         Sync __clz_tab declaration with glibc.
9388 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
9390         PR target/30687
9391         * doc/extend.texi (syscall_linkage): New.
9392         (version_id): Modify.
9394 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9395             Richard Guenther  <rguenther@suse.de>
9397         PR tree-optimization/38747
9398         PR tree-optimization/38748
9399         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
9400         conversion if the base address is an indirect reference and the
9401         aliasing sets could cause issues.
9403 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9405         * common.opt (fgraphite, fgraphite-identity): Add comment for
9406         explaining why these options are not documented.
9408 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9410         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
9411         gimple_call_lhs is NULL.
9413 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
9415         PR target/38868
9416         * emit-rtl.c (adjust_address_1): Make sure memref is never
9417         overwritten.
9419 2009-01-20  Ben Elliston  <bje@au.ibm.com>
9421         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9422         const qualifier from arg parameter. Remove unnecessary cast to char *.
9423         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9424         const qualifier from arg 2.
9426 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
9428         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
9430 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
9432         PR c/38869
9433         * rtl.h (reinit_regs): New prototype.
9434         * regclass.c: Include ira.h.
9435         (reinit_regs): New.
9436         * Makefile.in (regclass.o): Add ira.h.
9437         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
9439 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
9441         PR target/38736
9442         * c-common.c (handle_aligned_attribute): Use
9443         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
9444         default alignment value.
9446         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
9448         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
9449         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
9451         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
9452         __BIGGEST_ALIGNMENT__.
9454         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
9456 2009-01-18  Richard Guenther  <rguenther@suse.de>
9458         PR tree-optimization/38819
9459         * tree-flow.h (operation_could_trap_helper_p): Declare.
9460         * tree-eh.c (operation_could_trap_helper_p): Export.
9461         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
9462         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
9463         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
9464         are about to insert a possibly trapping instruction and fail
9465         in this case.
9467 2009-01-18  Andreas Schwab  <schwab@suse.de>
9469         * doc/install.texi (Configuration): Remove obsolete paragraph
9470         about use of --with-gnu-ld with --with-gnu-as.
9472 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
9474         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
9475         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
9476         Follow spelling conventions.
9478 2009-01-18  Ben Elliston  <bje@au.ibm.com>
9480         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
9481         C++ warning about implicit conversion from void * to struct
9482         bitmap_head_def *.
9483         (bitmap_obstack_free): Likewise for bitmap_element *.
9484         * Makefile.in (bitmap.o-warn): Remove.
9486 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
9488         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
9490 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
9491             Tobias Grosser  <tobi.grosser@amd.com>
9493         * graphite.c (graphite_trans_scop_block): Do not block single
9494         nested loops.
9496 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
9498         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
9499         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
9500         test with assertion.
9502 2009-01-16  Richard Guenther  <rguenther@suse.de>
9504         PR tree-optimization/38835
9505         PR middle-end/36227
9506         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
9507         and INT + PTR -> (INT)(PTR p+ INT) folding.
9508         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
9510 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
9512         PR target/38554
9513         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
9514         the subreg from a lowpart subreg if it is also casting the value.
9516 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9517             Tobias Grosser  <tobi.grosser@amd.com>
9519         * graphite.c (compare_prefix_loops): New.
9520         (build_scop_canonical_schedules): Rewritten.
9521         (graphite_transform_loops): Move build_scop_canonical_schedules
9522         after build_scop_iteration_domain.
9524 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9525             Tobias Grosser  <tobi.grosser@amd.com>
9527         * graphite.c (add_conditions_to_domain): Add the loops to
9528         the dimension of the iteration domain.  Do copy the domain
9529         only when it exists.
9530         (build_scop_conditions_1): Do not call add_conditions_to_domain.
9531         (add_conditions_to_constraints): New.
9532         (can_generate_code_stmt, can_generate_code): Removed.
9533         (gloog): Do not call can_generate_code.
9534         (graphite_transform_loops): Call add_conditions_to_constraints
9535         after building the iteration domain.
9537 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
9539         PR tree-optimization/38789
9540         * tree-ssa-threadedge.c
9541         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
9542         __builtin_constant_p.
9544 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
9546         * dce.c (delete_unmarked_insns): Reversed the order that insns are
9547         examined before deleting them.
9549 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
9551         * function.c (aggregate_value_p): Correctly extract the function
9552         type from CALL_EXPR_FN lookup.
9554 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9556         * config/picochip/picochip.c (picochip_override_options): Revert
9557         CFI asm flag disable commited previously.
9559 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9560             Tobias Grosser  <tobi.grosser@amd.com>
9561             Jan Sjodin  <jan.sjodin@amd.com>
9563         * graphite.c (scan_tree_for_params): On substractions negate
9564         all the coefficients of the term.
9565         (clast_to_gcc_expression_red): New.  Handle reduction expressions
9566         of more than two operands.
9567         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
9568         (get_vdef_before_scop): Handle also the case of default definitions.
9570 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
9572         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
9573         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
9574         Also use them when walking CALL_INSN_FUNCTION_USAGE.
9576 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
9577             Joey Ye  <joey.ye@intel.com>
9579         PR middle-end/37843
9580         * cfgexpand.c (expand_stack_alignment): Don't update stack
9581         boundary nor check incoming stack boundary here.
9582         (gimple_expand_cfg): Update stack boundary and check incoming
9583         stack boundary here.
9585 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
9587         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
9589 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
9591         PR rtl-optimization/38245
9592         * calls.c (expand_call): Add stack arguments to
9593         CALL_INSN_FUNCTION_USAGE even for pure calls (when
9594         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
9595         in regs and partially in memory or BLKmode arguments.
9596         (emit_library_call_value_1): Add stack arguments to
9597         CALL_INSN_FUNCTION_USAGE even for pure calls (when
9598         ACCUMULATE_OUTGOING_ARGS).
9599         * dce.c: Include tm_p.h.
9600         (find_call_stack_args): New function.
9601         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
9602         argument.
9603         (mark_insn): Call find_call_stack_args for CALL_Ps.
9604         (prescan_insns_for_dce): Walk insns backwards in bb rather than
9605         forwards.  Allocate and free arg_stores bitmap if needed, pass it
9606         down to deletable_insn_p, don't mark stores set in arg_stores
9607         bitmap, clear the bitmap at the beginning of each bb.
9608         * Makefile.in (dce.o): Depend on $(TM_P_H).
9610 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
9612         PR target/22599
9613         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
9614         to make sure the insn is a conditional test (bug 22599).  Reformat a
9615         few long lines.
9617 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
9619         PR middle-end/38431
9620         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
9621         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
9622         (gloog): Do not call cleanup_tree_cfg.
9623         (graphite_transform_loops): Call cleanup_tree_cfg after all
9624         scops have been code generated.
9626 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
9627         * doc/gty.texi (Invoking the garbage collector): Added new node
9628         and section documenting ggc_collect.
9630 2009-01-14  Richard Guenther  <rguenther@suse.de>
9632         PR tree-optimization/38826
9633         PR middle-end/38477
9634         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
9635         initialization notes only if we actually emitted a warning.
9636         (intra_create_variable_infos): Add constraints for a result decl
9637         that is passed by hidden reference.
9638         (build_pred_graph): Mark all related variables non-direct on
9639         address-taking.
9641 2009-01-14  Nick Clifton  <nickc@redhat.com>
9643         * ira-conflicts.c: Include addresses.h for the definition of
9644         base_reg_class.
9645         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
9646         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
9648 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
9650         PR target/38811
9651         * Makefile.in (ira-lives.o): Add except.h.
9653         * ira-lives.c: Include except.h.
9654         (process_bb_node_lives): Process can_throw_internal.
9656 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
9658         PR rtl-optimization/38774
9659         * combine.c (simplify_set): When undoing cc_use change, don't do
9660         PUT_CODE on the newly created comparison, but instead put back the
9661         old comparison.
9663 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
9665         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
9666         values.  Remove duplicate arm8 entry.
9668 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
9670         PR tree-optimization/38786
9671         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
9672         the SSA_NAME case of expand_scalar_variables_expr.
9673         Set the type of an expression to the type of its assign statement.
9674         (expand_scalar_variables_expr): Also gather the scalar computation
9675         used to index the memory access.  Do not pass loop_p.
9676         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
9677         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
9678         the gimple_stmt_iterator where it inserts new code.
9679         Do not pass loop_p.
9680         (copy_bb_and_scalar_dependences): Do not pass loop_p.
9681         (translate_clast): Update call to copy_bb_and_scalar_dependences.
9683 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
9685         * graphite.h (debug_value): Removed.
9686         * graphite.c (debug_value): Removed.
9688 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
9690         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
9691         ldrd/strd with two 32-bit instructions.
9693 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
9695         * config/arm/arm.c (struct processors): Pass for speed down into
9696         cost helper functions.
9697         (const_ok_for_op): Handle COMPARE and inequality nodes.
9698         (arm_rtx_costs_1): Rewrite.
9699         (arm_size_rtx_costs): Update prototype.
9700         (arm_rtx_costs): Pass speed down to helper functions.
9701         (arm_slowmul_rtx_costs): Rework cost calculations.
9702         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
9703         (arm_9e_rtx_costs): Likewise.
9705 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
9707         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
9708         relocations of local symbols wider than UNITS_PER_WORD are not valid.
9709         (alpha_legitimize_address): Do not split local symbols wider than
9710         UNITS_PER_WORD into HIGH/LO_SUM parts.
9712 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
9714         PR bootstrap/38580
9715         * gcc.c (process_command): Replace call to execvp with calls
9716         to pex_one and exit.
9718 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
9720         PR target/29141
9721         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
9722         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
9723         variant for devices with 3-byte PC.
9724         (__tablejump_elpm__): New.
9726 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
9728         PR c/32041
9729         * c-parser.c (c_parser_postfix_expression): Allow `->' in
9730         offsetof member-designator, handle it as `[0].'.
9732 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9734         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
9735         function when not using named sections on targets with named sections
9736         if branch distance is less than 262132.
9738 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
9740         * combine.c (combine_instructions):  Recompute
9741         optimize_this_for_speed_p  for each BB in the main combine loop.
9743 2009-01-12  Tomas Bily  <tbily@suse.cz>
9745         PR middlend/38385
9746         * tree-loop-distribution.c (prop_phis): New function.
9747         (generate_builtin): Call prop_phis.
9748         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
9750 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
9752         PR tree-optimization/38807
9753         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
9754         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
9756 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
9758         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
9759         subreg of op0 to the original op0.
9761 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
9763         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
9765 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
9767         PR debug/7055
9768         * mips-tfile.c (parse_def): Fix parsing of def strings
9769         starting with digits.
9771 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
9773         PR target/38695
9774         * config/arm/arm.c (arm_is_long_call_p): Don't call
9775         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
9777 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
9779         * regrename.c (regrename_optimize): Fix dumping.
9780         (find_oldest_value_reg): Preserve REG_POINTER.
9781         (copy_hardreg_forward_1): Likewise.
9783 2009-01-09  Diego Novillo  <dnovillo@google.com>
9785         * gimple.h (struct gimple_statement_base) <uid>: Document
9786         the restrictions on its use.
9787         (gimple_uid): Tidy.
9788         (gimple_set_uid): Tidy.
9790 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
9792         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
9793         zero guard even if align_bytes != 0 and count is smaller than
9794         size_needed.
9796 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
9798         PR rtl-optimization/38495
9799         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
9800         (add_range_and_copies_from_move_list): Print all added ranges.
9801         Add ranges to memory optimized destination.
9803 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
9805         PR target/38686
9806         PR target/38708
9807         * config/i386/i386.c (override_options): Reject
9808         -mstringop-strategy=rep_8byte with -m32.
9809         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
9810         to 1.  Do count comparison against epilogue_size_needed at compile
9811         time even when count_exp was constant forced into register.  For
9812         size_needed don't jump to epilogue, instead just avoid aligning
9813         and invoke the body algorithm.  If need_zero_guard, add zero guard
9814         even if count is non-zero, but smaller than size_needed + number of
9815         bytes that could be stored for alignment.
9816         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
9817         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
9818         but smaller than size_needed + number of bytes that could be stored
9819         for alignment.  Compare size_needed with epilogue_size_needed instead
9820         of desired_align - align, don't adjust size_needed, pass
9821         epilogue_size_needed to the epilogue expanders.
9823         PR c/35742
9824         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
9826 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9828         * pa.c (last_address): Change to unsigned.
9829         (update_total_code_bytes): Change argument to unsigned.  Don't
9830         check if insn addresses are set.
9831         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
9832         addresses are not set.
9833         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
9835 2009-01-09  Nick Clifton  <nickc@redhat.com>
9837         * config/sh/symbian.c: Replace uses of DECL_INLINE with
9838         DECL_DECLARED_INLINE_P.
9840 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
9842         PR middle-end/38347
9843         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
9844         GET_MODE (op0) in operand_subword_force calls.
9846         PR middle-end/38771
9847         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
9848         fold_convert arg0 operands to TREE_TYPE (op0) first.
9850 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
9852         * params.def (ira-max-conflict-table-size): Decrease default value
9853         to 1000.
9855 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
9857         PR tree-optimization/37031
9858         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
9859         on parameter_set.
9860         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
9861         allocate it using gc instead of heap, use VEC_quick_push instead of
9862         VEC_safe_push.
9863         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
9864         instead of heap, use VEC_quick_push instead of VEC_safe_push.
9865         * tree-data-ref.h (struct access_matrix): Change matrix to gc
9866         allocated vector from heap allocated.
9867         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
9868         * tree-loop-linear.c (linear_transform_loops): Allocate nest
9869         vector only after perfect_loop_nest_depth call.
9871 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
9872             Jan Sjodin  <jan.sjodin@amd.com>
9874         PR tree-optimization/38559
9875         * graphite.c (debug_value, copy_constraint,
9876         swap_constraint_variables, scale_constraint_variable, ): New.
9877         (get_lower_bound, get_upper_bound): Removed.
9878         (graphite_trans_bb_strip_mine): Clean up this code that works
9879         only for constant number of iterations.  Fully copy upper and
9880         lower bound constraints, not only the constant part of them.
9881         * graphite.h (debug_value): Declared.
9883 2009-01-08  Ira Rosen  <irar@il.ibm.com>
9885         PR tree-optimization/37194
9886         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
9887         Don't add the cost of cost model guard in prologue to scalar
9888         outside cost in case of known number of iterations.
9890 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
9891             Alan Modra  <amodra@bigpond.net.au>
9893         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
9894         non-word-aligned REG+CONST addressing.
9896 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
9898         PR target/38706
9899         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
9900         free_after_compilation when outputting a thunk.
9901         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
9902         Do not call free_after_compilation here.
9904 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
9906         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
9907         (ix86_valid_target_attribute_inner_p): Ditto.
9909 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
9911         PR tree-optimization/38492
9912         PR tree-optimization/38498
9913         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
9914         * tree-chrec.h (scev_is_linear_expression): Declared.
9915         * graphite.c (graphite_cannot_represent_loop_niter): New.
9916         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
9917         (graphite_loop_normal_form): Use gcc_assert.
9918         (scan_tree_for_params): Use CASE_CONVERT.
9919         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
9920         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
9921         Use gcc_assert.  Discard scops that contain unhandled cases.
9922         (build_scop_conditions): Return a boolean status for unhandled cases.
9923         (strip_mine_profitable_p): Print the loop number, not its depth.
9924         (is_interchange_valid): Pass the depth of the loop nest, don't
9925         recompute it wrongly.
9926         (graphite_trans_bb_block): Same.
9927         (graphite_trans_bb_block): Print tentative of loop blocking.
9928         (graphite_trans_scop_block): Do not print that the loop has been
9929         blocked.
9930         (graphite_transform_loops): Do not handle scops that contain condition
9931         scalar phi nodes.
9933 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
9935         AVX Programming Reference (December, 2008)
9936         * config/i386/avxintrin.h (_mm256_stream_si256): New.
9937         (_mm256_stream_pd): Likewise.
9938         (_mm256_stream_ps): Likewise.
9940         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
9941         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
9942         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
9943         (bdesc_special_args): Add __builtin_ia32_movntdq256,
9944         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
9945         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
9946         (ix86_expand_special_args_builtin): Likewise.
9948         * config/i386/sse.md (AVXMODEDI): New.
9949         (avx_movnt<mode>): Likewise.
9950         (avx_movnt<mode>): Likewise.
9951         (<sse>_movnt<mode>): Remove AVX support.
9952         (sse2_movntv2di): Likewise.
9954 2009-01-07  Richard Guenther  <rguenther@suse.de>
9956         PR middle-end/38751
9957         * fold-const.c (extract_muldiv): Remove obsolete comment.
9958         (fold_plusminus_mult_expr): Undo MINUS_EXPR
9959         to PLUS_EXPR canonicalization for the canonicalization.
9961 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
9963         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
9964         hosted cross-compilers generating less efficient code.
9966 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
9968         * function.h (rtl_data): Add a dbr_scheduled_p field.
9969         * reorg.c (dbr_schedule): Set it.
9970         (gate_handle_delay_slots): Check it.
9971         * config/mips/mips.c (mips_base_delayed_branch): Delete.
9972         (mips_reorg): Check flag_delayed_branch instead of
9973         mips_base_delayed_branch.
9974         (mips_override_options): Don't set mips_base_delayed_branch
9975         or flag_delayed_branch.
9977 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
9979         PR rtl-optimization/38426.
9980         * ira.c (ira): Set current_function_is_leaf earlier.
9982 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
9984         PR rtl-optimization/38722
9985         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
9986         too early, only set a flag and modify after last possible
9987         undo_all point.
9989 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
9991         PR c/34252
9992         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
9993         * real.c (decimal_single_format): Correct values of emin and emax.
9994         (decimal_double_format): Ditto.
9995         (decimal_quad_format): Ditto.
9996         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
9997         computation of DECnn_MIN and DECnn_MAX for corrected values of
9998         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
9999         __DECnn_MIN__, and adjust its computation for the corrected value
10000         of emin.
10002 2009-01-06  Jan Hubicka  <jh@suse.cz>
10004         PR target/38744
10005         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
10007 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
10009         * doc/contrib.texi (Contributors): Slightly adjust the end note.
10010         Add Robert Clark to the list of testers.
10012 2009-01-06  Jan Hubicka  <jh@suse.cz>
10013             Kai Tietz  <kai.tietz@onevision.com>
10015         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
10016         * config/i386/i386.c (ix86_expand_call): Add clobbers.
10018 2009-01-06  Jan Hubicka  <jh@suse.cz>
10019             Kai Tietz  <kai.tietz@onevision.com>
10021         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
10022         for w64 ABI.
10023         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
10024         (ix86_nsaved_regs): Count only general purpose regs.
10025         (ix86_nsaved_sseregs): New.
10026         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
10027         to 16 for w64; compute padding and size of sse reg save area.
10028         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
10029         general purpose regs.
10030         (ix86_emit_save_sse_regs_using_mov): New.
10031         (ix86_expand_prologue): Save SSE regs if needed.
10032         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
10033         (ix86_emit_restore_sse_regs_using_mov): New.
10034         (ix86_expand_epilogue): Save SSE regs if needed.
10036 2009-01-06  Jan Hubicka  <jh@suse.cz>
10037             Kai Tietz  <kai.tietz@onevision.com>
10039         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
10040         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
10041         functions when accumulate outgoing args is off.
10043 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10045         PR bootstrap/38742
10046         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
10047         before using pseudos_have_intersected_live_ranges_p.
10049         * ira-int.h (ira_assert): Always define.
10051 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10053         AVX Programming Reference (December, 2008)
10054         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
10055         (_mm256_permute2_pd): Likewise.
10056         (_mm_permute2_ps): Likewise.
10057         (_mm256_permute2_ps): Likewise.
10058         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
10059         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
10061         * config/i386/i386.c (ix86_builtins): Remove
10062         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
10063         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
10064         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
10065         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
10066         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
10067         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
10068         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
10069         __builtin_ia32_vpermil2ps256.
10070         (ix86_init_mmx_sse_builtins): Updated.
10071         (ix86_expand_args_builtin): Likewise.
10073 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10075         * pa.c (output_call): Relocate non-jump insns in the delay slot of
10076         long absolute calls when generating PA 2.0 code.
10078 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
10080         PR rtl-optimization/38583
10081         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
10083         * params.def (ira-max-conflict-table-size): New.
10085         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
10087         * ira.h (ira_conflicts_p): New external definition.
10089         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
10090         table.  Report this.  Return result of building.
10091         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
10092         building conflict table.
10094         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
10095         (ira_color): Use ira_conflicts_p.
10097         * global.c: Include ira.h.
10098         (pseudo_for_reload_consideration_p, build_insn_chain): Use
10099         ira_conflicts_p.
10101         * Makefile.in (global.o): Add ira.h.
10103         * ira-build.c (mark_all_loops_for_removal,
10104         propagate_some_info_from_allocno): New.
10105         (remove_unnecessary_allocnos): Call
10106         propagate_some_info_from_allocno.
10107         (remove_low_level_allocnos): New.
10108         (remove_unnecessary_regions): Add parameter.  Call
10109         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
10110         parameter to remove_unnecessary_regions.
10111         (ira_build): Remove all regions but root if the conflict table was
10112         not built.  Update conflict hard regs for allocnos crossing calls.
10114         * ira.c (ira_conflicts_p): New global.
10115         (ira): Define and use ira_conflicts_p.
10117         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10118         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
10119         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
10121 2009-01-06  Ben Elliston  <bje@au.ibm.com>
10123         * gengtype-lex.l (YY_NO_INPUT): Define.
10125 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10127         PR c/34911
10128         * c-common.c (handle_vector_size_attribute): Also reject
10129         BOOLEAN_TYPE types.
10131 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
10133         PR tree-optimization/38492
10134         * graphite.c (rename_map_elt, debug_rename_elt,
10135         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
10136         rename_map_elt_info, eq_rename_map_elts,
10137         get_new_name_from_old_name, bb_in_sese_p): Moved around.
10138         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
10139         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
10140         (sese_build_livein_liveouts): New.
10141         (new_sese, free_sese): New.
10142         (new_scop): Call new_sese.
10143         (free_scop): Call free_sese.
10144         (rename_variables_from_edge, rename_phis_end_scop): Removed.
10145         (register_old_new_names): Renamed register_old_and_new_names.
10146         (register_scop_liveout_renames, add_loop_exit_phis,
10147         insert_loop_close_phis, struct igp,
10148         default_liveout_before_guard, add_guard_exit_phis,
10149         insert_guard_phis, copy_renames): New.
10150         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
10151         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
10152         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
10153         (scop_adjust_phis_for_liveouts): New.
10154         (gloog): Call scop_adjust_phis_for_liveouts.
10156         * graphite.h (struct sese): Documented.  Added fields liveout,
10157         num_ver and livein.
10158         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
10159         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
10160         (struct scop): Added field liveout_renames.
10161         (SCOP_LIVEOUT_RENAMES): New.
10163 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10165         PR tree-optimization/38510
10166         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
10167         (translate_clast): Call recompute_all_dominators before
10168         graphite_verify.
10169         (gloog): Call recompute_all_dominators before graphite_verify.
10171 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10172             Jan Sjodin  <jan.sjodin@amd.com>
10174         PR tree-optimization/38500
10175         * graphite.c (create_sese_edges): Call fix_loop_structure after
10176         splitting blocks.
10178 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
10180         * config.gcc: Add m32r*-*-rtems*.
10181         * config/m32r/rtems.h: New file.
10183 2009-01-05  Ben Elliston  <bje@au.ibm.com>
10185         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
10186         (.po.pox): Likewise.
10187         (po/gcc.pot): Likewise.
10189 2009-01-04  David S. Miller  <davem@davemloft.net>
10191         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
10192         (STARTING_FRAME_OFFSET): Always set to zero.
10194 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10196         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
10197         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
10198         fixed-point types, and vectors of the same.
10200 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10202         * config/mips/sync.md (*mb_barrier): Rename to...
10203         (*memory_barrier): ...this.
10205 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
10207         * doc/extend.texi (Function Attributes): Move @cindex after @item
10208         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
10209         and put in alphabetical order. Fix 'target' name and put in order.
10210         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
10211         typos.
10213 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
10215         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
10216         (memory_barrier): Expand as unspec instead of unspec_volatile.
10217         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10218         (*memory_barrier): Define as unspec instead of unspec_volatile.
10219         Use (match_dup 0) as input operand.
10221         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
10222         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
10223         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
10224         scratch register.  Remove operand 1.
10225         (*stbar): Define as unspec instead of unspec_volatile.
10226         Use (match_dup 0) as input operand, remove (const_int 8).
10227         (*membar): Define as unspec instead of unspec_volatile.
10228         Use (match_dup 0) as input operand, remove input operand 2.
10230         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
10231         (memory_barrier): Expand as unspec instead of unspec_volatile.
10232         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10233         (*memory_barrier): Define as unspec instead of unspec_volatile.
10234         Use (match_dup 0) as input operand.
10236         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
10237         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10238         Set volatile flag on operand 0.
10239         (*memory_barrier): New insn pattern.
10241         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
10242         insn operands.
10243         (*memory_barrier): Use (match_dup 0) as input operand.
10245         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
10246         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10247         Set volatile flag on operand 0.
10248         (*mb_internal): New insn pattern.
10250         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
10252 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10254         PR middle-end/38586
10255         * function.c (struct temp_slot): Move to the section of the file
10256         that deals with temp slots.  Remove field 'address'.
10257         (temp_slot_address_table): New hash table of address -> temp slot.
10258         (struct temp_slot_address_entry): New struct, items for the table.
10259         (temp_slot_address_compute_hash, temp_slot_address_hash,
10260         temp_slot_address_eq, insert_temp_slot_address): Support functions
10261         for the new table.
10262         (find_temp_slot_from_address): Rewrite to use the new hash table.
10263         (remove_unused_temp_slot_addresses): Remove addresses of temp
10264         slots that have been made available.
10265         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
10266         worker function for remove_unused_temp_slot_addresses.
10267         (assign_stack_temp_for_type): Don't clear the temp slot address list.
10268         Add the temp slot address to the address -> temp slot map.
10269         (update_temp_slot_address): Update via insert_temp_slot_address.
10270         (free_temp_slots): Call remove_unused_temp_slot_addresses.
10271         (pop_temp_slots): Likewise.
10272         (init_temp_slots): Allocate the address -> temp slot map, or empty
10273         the map if it is already allocated.
10274         (prepare_function_start): Initialize temp slot processing.
10276 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10278         PR middle-end/38584
10279         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
10280         Calculate the size of all stack vars assuming no packing of stack
10281         vars will happen, replacing a quadratic algorithm with a linear one.
10283 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10285         PR target/38707
10286         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
10287         can't be used.
10289 2009-01-03  Diego Novillo  <dnovillo@google.com>
10291         * doc/contrib.texi: Update contributions.
10293 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10295         PR c++/38705
10296         * builtins.c (fold_builtin_memory_op): Give up if either operand
10297         is volatile.  Set srctype or desttype to non-qualified version
10298         of the other type.
10300         PR c/38700
10301         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
10302         and FUNCTION_DECLs.
10304 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
10306         PR rtl-optimization/35805
10307         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
10308         problem if fast dce is able to remove any instructions.
10309         * dce.c (dce_process_block): Fix dump message.
10311 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
10313         PR 33649
10314         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
10316 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
10318         PR middle-end/38690
10319         * tree-flow.h (op_code_prio, op_prio): New prototypes.
10320         * tree-pretty-print.c (op_code_prio): New function.
10321         (op_prio): No longer static.  Use op_code_prio.
10322         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
10323         Use op_prio and op_code_prio to determine if () should be
10324         printed around operand(s) or not.
10326         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
10327         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
10328         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
10329         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
10330         pp_character instead of pp_string for single letter printing.
10332 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
10334         * doc/extend.texi: Fix '#pragma GCC option' typo.
10336 2009-01-02  Richard Guenther  <rguenther@suse.de>
10338         * doc/install.texi (--enable-checking): Mention different
10339         default for stage1.
10340         (--enable-stage1-checking): Document.
10342 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
10344         PR middle-end/30142
10345         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
10346         case to be an error.
10348 2009-01-02  Ben Elliston  <bje@au.ibm.com>
10350         * config/fp-bit.h (pack_d): Constify argument.
10351         * config/fp-bit.c (makenan): Constify return type. Remove casts.
10352         (isnan): Constify argument.
10353         (isinf): Likewise.
10354         (iszero): Likewise.
10355         (pack_d): Likewise.
10356         (_fpadd_parts): Constify return type.
10357         (_fpmul_parts): Likewise.
10358         (_fpdiv_parts): Likewise.
10360 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
10362         PR c/36489
10363         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
10364         warn about overwriting initializer with side-effects or
10365         -Woverride-init if !IMPLICIT.
10366         (output_init_element): Likewise.  Pass IMPLICIT down to
10367         add_pending_init.
10368         (process_init_element): Add IMPLICIT argument.  Pass it down
10369         to output_init_element.
10370         (push_init_element, pop_init_level, set_designator): Adjust
10371         process_init_element callers.
10372         (set_nonincremental_init, set_nonincremental_init_from_string):
10373         Adjust add_pending_init callers.
10374         (output_pending_init_elements): Adjust output_init_element callers.
10375         * c-tree.h (process_init_element): Adjust prototype.
10376         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
10377         process_init_element callers.
10380 Copyright (C) 2009 Free Software Foundation, Inc.
10382 Copying and distribution of this file, with or without modification,
10383 are permitted in any medium without royalty provided the copyright
10384 notice and this notice are preserved.