1 2007-02-12 Richard Henderson <rth@redhat.com>
3 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6 2007-02-12 Richard Henderson <rth@redhat.com>
8 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
9 result mode of the libcall, convert back to outmode.
11 2007-02-12 Roger Sayle <roger@eyesopen.com>
13 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
14 (bswapdi2): New define_expand to implement 32-bit implementation.
16 2007-02-12 Nick Clifton <nickc@redhat.com>
18 * doc/invoke.texi (Overall Options): Document --help=.
19 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
20 (cc1_options): Pass --help= on to cc1.
21 (display_help): Add description of --help=.
22 (process_command): Add code to handle --help=. Allow translated
23 --help and --target-help switches to be passed on to compiler
25 (main): Remove unused if statement.
26 * opts.c (columns): Remove.
27 (LEFT_COLUMN): Define.
28 (wrap_help): Add columns argument.
29 (print_filtered_help): Change parameters to be an include bitmask,
30 an exclude bitmask, an any bitmask and the column width. Move the
31 code to display the params list here. Add code to display the
32 status of options rather than their descriptions if the quiet flag
34 (print_specific_help): Change parameters to be an include bitmask,
35 an exclude bitmask and an any bitmask. Move code to look up the
36 column width here. Decide upon the title for an options listing.
37 (common_handle_options): Add code to handle --help=. Adapt code
38 for --help and --target-help to use the revised form of the
39 print_specific_help function.
41 (print_param_help): Delete.
42 (print_switch): Delete.
43 * opts.h (cl_lang_count): Add prototype.
44 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
45 CL_MAX_OPTION_CLASS): New defines.
46 * optc-gen.awk: Add construction of cl_lang_count.
47 * c.opt: Add Warning attribute to warning options and Optimization
48 attribute to optimization options.
49 * common.opt: Likewise.
51 Add -fhelp and -ftarget-help as aliases for the transformed --help
52 and --target-help options.
53 * opt-functions.awk: Add code to handle Warning and Optimization
56 2007-02-12 Richard Henderson <rth@redhat.com>
58 * config/alpha/constraints.md: New file.
59 * config/alpha/alpha.c: Include tm-constrs.h.
60 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
61 alpha_extra_constraint): Remove.
62 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
63 * config/alpha/alpha-protos.h: Update.
64 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
65 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
66 (EXTRA_CONSTRAINT): Remove.
67 * config/alpha/alpha.md: Include constraints.md.
68 (adddi splitter): Use satisfies_constraint_*.
69 * config/alpha/predicates.md (add_operand): Likewise.
70 (sext_add_operand, addition_operation): Likewise.
72 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
74 PR tree-optimization/29145
75 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
76 in our handling of restrict qualified pointers.
78 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
81 * doc/invoke.texi (Wunused-value): Update description.
82 (Wextra): Delete item.
83 * opts.c (set_Wextra): Don't use the value of Wextra to set the
84 value of Wunused-value.
85 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
86 (c_finish_stmt_expr): Don't check extra_warnings.
87 (emit_side_effect_warnings): The caller is responsible to check
90 2007-02-11 Roger Sayle <roger@eyesopen.com>
91 Matt Thomas <matt@3am-software.com>
93 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
95 2007-02-11 Roger Sayle <roger@eyesopen.com>
97 * simplify-rtx.c (simplify_relational_operation_1): Optimize
98 comparisons of POPCOUNT against zero.
99 (simplify_const_relational_operation): Likewise.
101 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
103 * doc/invoke.texi (Wextra): Delete outdated paragraph.
105 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
107 * dwarf2out.c (root_type): Delete unused function.
109 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
111 * genattrtab.c (contained_in_p): Delete unused function.
112 (write_expr_attr_cache): Likewise.
114 2007-02-11 Jan Hubicka <jh@suse.cz>
116 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
119 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
121 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
122 to add the REG_EQ* note.
123 * see.c (see_merge_one_use_extension): Likewise.
124 * local-alloc.c (update_equiv_regs): Likewise. Also don't
125 turn REG_EQUAL notes into REG_EQUIV notes if the target
126 register may have more than one set.
127 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
128 * gcse.c (try_replace_reg): Likewise.
129 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
130 * calls.c (fixup_tail_calls): Likewise. Abort if there is
131 more than one REG_EQUIV note.
132 * reload1.c (gen_reload): Use set_unique_reg_note.
134 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
136 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
137 (ix86_builtin_conversion): New function.
139 2007-02-06 Mark Mitchell <mark@codesourcery.com>
142 * tree.h (DECL_REPLACEABLE_P): New macro.
143 * except.c (set_nothrow_function_flags): Likewise.
145 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
146 Ira Rosen <irar@il.ibm.com>
147 Dorit Nuzman <dorit@il.ibm.com>
149 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
150 * targhooks.c (default_builtin_vectorized_conversion): New.
151 * targhooks.h (default_builtin_vectorized_function): New declaration.
152 * target.h (struct vectorize): Add builtin_conversion field.
153 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
154 stmt_vec_info_type value.
155 (vectorizable_conversion): New declaration.
156 * tree-vect-analyze.c (vect_analyze_operations): Add
157 vectorizable_conversion call.
158 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
159 * tree-vect-transform.c (vectorizable_conversion): New function.
160 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
161 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
163 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
164 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
165 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX or
166 ALTIVEC_BUILTIN_VCFSX.
168 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
171 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
172 CONST_DOUBLE and operand 0 is a hard register.
173 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
174 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
175 is a hard floating-point register.
177 2007-02-10 Richard Henderson <rth@redhat.com>
178 Jakub Jelinek <jakub@redhat.com>
179 Alexandre Oliva <aoliva@redhat.com>
181 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
182 * builtin-types.def (BT_WORD): Make unsigned.
183 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
184 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
185 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
186 * c-decl.c (grokdeclarator): Don't error if !have_tls.
187 * c-parser.c (c_parser_omp_threadprivate): Likewise.
188 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
190 * expr.c (emutls_var_address): New.
191 (expand_expr_real_1): Expand emulated tls.
192 (expand_expr_addr_expr_1): Likewise.
193 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
194 * output.h (emutls_finish): Declare.
195 * toplev.c (compile_file): Call it.
196 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
197 address before wrapping in CONST.
198 * varasm.c (emutls_htab, emutls_object_type): New.
199 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
200 (get_emutls_object_name, get_emutls_object_type): New.
201 (get_emutls_init_templ_addr, emutls_decl): New.
202 (emutls_common_1, emutls_finish): New.
203 (assemble_variable): When emulating tls, swap decls; generate
204 constructor for the emutls objects.
205 (do_assemble_alias): When emulating tls, swap decl and target name.
206 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
208 * varpool.c (decide_is_variable_needed): Look at force_output.
209 Recurse for emulated tls.
210 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
211 with decide_is_variable_needed.
212 * emutls.c: New file.
213 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
214 tls_object for real tls.
216 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
218 PR rtl-optimization/29599
219 * reload1.c (eliminate_regs_in_insn): Take the destination
220 mode into account when computing the offset.
222 2007-02-09 Stuart Hastings <stuart@apple.com>
223 Richard Henderson <rth@redhat.com>
225 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
226 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
227 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
228 fixuns_truncdfhi2): New.
229 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
230 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
231 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
232 (floatunssidf2): Allow nonimmediate source.
233 * gcc/config/i386/sse.md (movdi_to_sse): New.
234 (vec_concatv2di): Drop '*'.
235 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
236 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
237 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
239 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
240 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
241 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
242 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
243 (ix86_build_signbit_mask): Fix decl of v, refactor to call
244 ix86_build_const_vector.
245 (x86_emit_floatuns): Rewrite.
247 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
249 * genautomata.c (longest_path_length): Delete unused function.
250 (struct state): Delete unused longest_path_length.
251 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
252 (get_free_state): Delete unused.
254 2007-02-09 Jan Hubicka <jh@suse.cz>
256 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
257 * doc/invoke.texi (inline-unit-growth): Update default value.
259 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
260 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
261 (rebuild_cgraph_edges): Likewise.
262 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
263 (dump_cgraph_node): Dump frequencies.
264 (cgraph_clone_edge): Add frequency scales.
265 (cgraph_clone_node): Add freuqnecy.
266 * cgraph.h (cgraph_edge): Add freuqnecy argument.
267 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
268 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
269 * tree-pass.h (TODO_rebuild_frequencies): New constant.
270 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
271 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
272 (save_inline_function_body): Likewise.
273 * ipa-inline.c: inluce rtl.h
274 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
275 (cgraph_edge_badness): Use frequencies.
276 (cgraph_decide_recursive_inlining): Update clonning.
277 (cgraph_decide_inlining_of_small_function): Dump frequency.
278 * predict.c (estimate_bb_frequencies): Export.
279 * predict.h (estimate_bb_frequencies): Declare.
280 * tree-inline.c (copy_bb): Watch overflows.
281 (expand_call_inline): Update call of cgraph_create_edge.
282 (optimize_inline_calls): Use TODO flags to update frequnecies.
283 * passes.h: Include predict.h
284 (init_optimization_passes): Move profile ahead.
285 (execute_function_todo): Handle TODO_rebuild_frequencies.
287 2007-02-09 Roger Sayle <roger@eyesopen.com>
289 * config/alpha/alpha.c (emit_insxl): Force the first operand of
290 the insbl or inswl pattern into a register.
292 2007-02-09 Roger Sayle <roger@eyesopen.com>
294 * config/ia64/ia64.md (bswapdi2): New define_insn.
296 2007-02-09 Richard Henderson <rth@redhat.com>
298 * config/i386/constraints.md (Ym): New constraint.
299 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
300 (movdi_1_rex64): Split sse and xmm general register moves from
301 memory move alternatives. Use conditional register constraints.
302 (movsf_1, movdf_integer): Likewise.
303 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
304 (movdf_integer_rex64): New.
305 (pushsf_rex64): Fix output constraints.
306 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
307 (sse2_stored): Likewise.
308 (sse2_storeq_rex64): New.
309 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
311 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
312 for optimize_size. Remove SF/DFmode hack.
314 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
316 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
319 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
320 Richard Sandiford <richard@codesourcery.com>
322 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
323 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
324 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
325 m68k/t-mlib to tmake_file.
326 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
327 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
328 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
329 Allow it to be cf or m68k. Set m68k_arch_family. If that
330 variable is not empty, add t-$m68k_arch_family to tmake_file.
331 Add t-mlibs to tmake_file.
332 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
333 * config/m68k/t-cf: New file.
334 * config/m68k/t-m68k: Likewise.
335 * config/m68k/t-mlibs: Likewise.
336 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
337 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
338 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
339 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
340 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
342 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
343 (INSTALL_LIBGCC): Delete.
344 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
345 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
346 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
347 (M68K_MLIB_CPU): Define.
348 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
349 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
350 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
352 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
353 Richard Guenther <rguenther@suse.de>
356 * fold-const.c (fold_comparison): Handle obfuscated comparisons
357 against INT_MIN/INT_MAX.
358 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
359 file if a loop is removed.
361 2007-02-09 Joseph Myers <joseph@codesourcery.com>
363 * calls.c (store_one_arg): Pass correct alignment to
364 emit_push_insn for non-BLKmode values.
365 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
366 unaligned stack slot via a suitably aligned slot.
368 2007-02-08 DJ Delorie <dj@redhat.com>
370 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
372 (legal_subregs): Use unsigned char, make const.
373 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
375 2007-02-08 Paul Brook <paul@codesourcery.com>
377 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
378 special interworking needed.
380 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
382 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
383 conditional to __SSE2__.
384 (Entries below should have been added to first ChangeLog
385 entry for amdfam10 dated 2007-02-05)
386 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
388 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
390 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
393 2007-02-08 DJ Delorie <dj@redhat.com>
395 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
396 * config/m32c/m32c.c (legal_subregs): New.
397 (m32c_illegal_subreg_p): New.
398 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
399 unsupported subregs of hard regs.
401 2007-02-08 Jan Hubicka <jh@suse.cz>
403 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
404 the same one; always update histograms.
406 2007-02-08 Diego Novillo <dnovillo@redhat.com>
408 * passes.c (init_optimization_passes): Tidy comment.
410 2007-02-08 Roger Sayle <roger@eyesopen.com>
412 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
413 strip zero_extend, bswap and rotates from POCOUNT's argument.
414 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
415 zero_extend and rotates from PARITY's argument.
416 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
417 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
418 of an integer constant at compile-time.
420 2007-02-08 Diego Novillo <dnovillo@redhat.com>
423 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
425 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
428 * tree-ssa-live.c (remove_unused_locals): Do not remove
429 TREE_ADDRESSABLE variables.
430 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
431 * tree-ssa-operands.c (add_virtual_operand): Remove argument
432 FOR_CLOBBER. Update all users.
433 If VAR has an associated alias set, add a virtual operand for
434 it if no alias is found to conflict with the memory reference.
436 2007-02-07 Jan Hubicka <jh@suse.cz>
437 Robert Kidd <rkidd@crhc.uiuc.edu>
439 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
441 2007-02-07 Ian Lance Taylor <iant@google.com>
443 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
445 2007-02-07 Roger Sayle <roger@eyesopen.com>
447 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
448 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
449 tablejumpdi, movsi_to_cr_one): Remove constraints from
450 define_expand's match_operands.
452 2007-02-07 Roger Sayle <roger@eyesopen.com>
454 * global.c (compute_regsets): Move declatation of "i" inside of
455 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
457 2007-02-07 Jakub Jelinek <jakub@redhat.com>
460 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
461 of INDIRECT_REF <RESULT_DECL>.
463 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
465 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
466 Kaz Kojima <kkojima@gcc.gnu.org>
469 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
471 (sh_initialize_trampoline): Add parentheses to avoid a warning.
473 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
475 * doc/loop.texi: Document possibility not to perform disambiguation
476 of loops with multiple latches.
477 * cfgloopmanip.c (alp_enum_p): Removed.
478 (add_loop): Handle subloops. Use get_loop_body_with_size.
479 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
480 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
481 the new forwarder block.
482 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
483 Handle the case latch is NULL.
484 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
485 when marking loop exits.
486 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
488 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
489 disambiguate_loops_with_multiple_latches.
490 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
491 before fix_loop_structure.
492 * cfgloop.c: Include pointer-set.h and output.h.
493 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
494 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
495 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
496 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
497 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
498 disambiguate_multiple_latches, get_loop_body_with_size,
499 disambiguate_loops_with_multiple_latches): New functions.
500 (flow_loop_dump): Dump multiple latch edges.
501 (flow_loop_nodes_find): Handle loops with multiple latches.
502 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
503 (glb_enum_p): Modified.
504 (get_loop_body): Use get_loop_body_with_size.
505 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
506 (AVOID_CFG_MODIFICATIONS): New constant.
507 (disambiguate_loops_with_multiple_latches, add_loop,
508 get_loop_body_with_size): Declare.
509 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
511 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
514 * global.c (compute_regsets): New function.
515 (global_alloc): Refactored ELIMINABLE_REGSET
516 and NO_GLOBAL_ALLOC_REGS computation out.
517 (rest_of_handle_global_alloc): Call compute_regsets()
518 for non-optimizing case.
520 2007-02-06 Richard Henderson <rth@redhat.com>
522 * config/i386/constraints.md (Y2): Rename from Y.
523 (Yi): New constraint.
524 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
525 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
526 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
527 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
528 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
529 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
530 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
531 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
532 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
533 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
534 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
535 vec_extractv2si_1): Change Y constraints to Y2.
536 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
537 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
538 Change Y constraints to Y2.
539 (sse2_loadld): Change Y constraints to x.
541 2007-02-06 Roger Sayle <roger@eyesopen.com>
543 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
544 (parity<mode>2): New define_expand using rs6000_emit_parity.
545 * config/rs6000/rs6000.c (rs6000_emit_popcount,
546 rs6000_emit_parity): New functions.
547 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
548 rs6000_emit_parity): Prototype here.
550 2007-02-06 Ian Lance Taylor <iant@google.com>
552 * lower-subreg.c (simple_move_operand): Reject CONST.
553 (resolve_clobber): Call validate_change rather than directly
554 assigning to XEXP (pat, 0).
556 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
558 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
559 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
560 (tree-cfg.o): Remove hashtab.h dependency.
562 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
563 (struct ivopts_data): Change niters to pointer_map_t.
564 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
565 (niter_for_exit): Create pointer_map on demand. Change for
567 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
568 (free_loop_data): Destroy data->niters if created and reset field.
569 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
570 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
572 * tree-ssa-reassoc.c: Include pointer-set.h.
573 (bb_rank): Change to long *.
574 (operand_rank): Change to pointer_map_t.
575 (find_operand_rank): Return long, -1 if not found. Declare as inline.
576 (insert_operand_rank): Accept long.
577 (operand_entry_hash, operand_entry_eq): Remove.
578 (get_rank): Return long. Adjust for changes above.
579 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
581 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
583 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
584 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
585 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
587 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
588 directly since it cannot be NULL.
589 (get_vi_for_tree): Rewrite for pointer_map API.
590 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
591 (init_alias_vars): Create vi_for_tree as pointer_map.
592 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
594 * tree-cfg.c: Don't include hashtab.h.
595 (edge_to_cases): Declare as pointer_map.
596 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
598 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
599 (start_recording_case_labels): Create edge_to_cases as pointer_map.
600 (end_recoding_case_labels): Cleanup edge_to_cases manually before
602 (record_switch_edge): Delete.
603 (get_cases_for_edge): Adjust for pointer_map API, inline
604 record_switch_edge (rewritten for new API), remove goto.
606 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
608 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
609 * tree-nested.c: Include pointer-set.h.
610 (var_map_elt, var_map_eq, var_map_hash): Delete.
611 (struct nesting_info): Remove GTY marker. Change the two htab_t's
613 (nesting_info_bitmap_obstack): New.
614 (lookup_field_for_decl): Adjust for pointer_map API.
615 (lookup_tramp_for_decl): Adjust for pointer_map API.
616 (get_nonlocal_debug_decl): Adjust for pointer_map API.
617 (get_local_debug_decl): Adjust for pointer_map API.
618 (convert_nl_goto_reference): Adjust for pointer_map API.
619 (convert_nl_goto_receiver): Adjust for pointer_map API.
620 (create_nesting_tree): Create outside GGC space. Create bitmap on
621 the new obstack. Create field_map and var_map as pointer_maps.
622 (free_nesting_tree): Adjust for changes to create_nesting_tree.
624 (lower_nested_functions): Move root here, no need to NULL it.
625 Initialize and release the obstack.
627 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
629 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
630 Remove prototypes and make them non-static.
631 (struct tree_int_map): Remove.
632 * tree.h (struct tree_int_map): Move here, turning TO into an
634 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
636 * tree.h (TREE_COMPLEXITY): Remove.
637 (struct tree_exp): Remove complexity field.
638 * tree.c (build1_stat): Don't set it.
640 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
641 Victor Kaplansky <victork@il.ibm.com>
643 * tree-vectorizer.c (vect_is_simple_use): Support induction.
644 (vect_is_simple_reduction): Support reduction with induction as
646 (vect_is_simple_iv_evolution): Fix formatting.
647 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
648 formatting. Don't mark induction phis for vectorization.
649 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
650 * tree-vect-transform.c (get_initial_def_for_induction): New function.
651 (vect_get_vec_def_for_operand): Support induction.
652 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
654 (vectorizable_reduction): Support reduction with induction as one of
656 (vectorizable_type_demotion): Use def-type of stmt argument rather
659 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
660 flag_tree_scev_cprop.
661 * common.opt (tree-scev-cprop): New flag.
663 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
664 call to vect_get_new_vect_var.
666 2007-02-06 Ira Rosen <irar@il.ibm.com>
668 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
670 (vect_pattern_recog_1): Likewise.
672 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
674 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
675 (fold_negate_expr): Likewise.
677 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
680 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
681 even if cv-qualification is the same.
683 2007-02-05 Geoffrey Keating <geoffk@apple.com>
685 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
686 __enable_execute_stack on completion.
688 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
690 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
691 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
692 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
693 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
694 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
695 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
696 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
697 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
699 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
701 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
702 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
703 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
704 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
705 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
706 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
707 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
708 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
709 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
710 umuldi3_highpart_rex64, umulsi3_highpart_insn,
711 umulsi3_highpart_zext, smuldi3_highpart_rex64,
712 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
713 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
714 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
715 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
716 sqrtextenddfxf2_i387): Added amdfam10_decode.
718 * config/i386/athlon.md (athlon_idirect_amdfam10,
719 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
720 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
721 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
722 athlon_ivector_store_amdfam10): New define_insn_reservation.
723 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
726 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
728 * config/i386/athlon.md (athlon_call_amdfam10,
729 athlon_pop_amdfam10, athlon_lea_amdfam10): New
730 define_insn_reservation.
731 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
732 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
733 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
735 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
737 * config/i386/athlon.md (athlon_sseld_amdfam10,
738 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
739 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
741 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
743 * config/i386/athlon.md (athlon_sseins_amdfam10): New
744 define_insn_reservation.
745 * config/i386/i386.md (sseins): Added sseins to define_attr type
746 and define_attr unit.
747 * config/i386/sse.md: Set type attribute to sseins for insertq
750 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
752 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
753 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
754 ssecomi_load_amdfam10, ssecomi_amdfam10,
755 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
756 define_insn_reservation.
757 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
759 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
761 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
762 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
763 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
764 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
765 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
766 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
767 define_insn_reservation.
769 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
770 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
771 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
772 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
773 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
775 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
777 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
778 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
779 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
780 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
781 athlon_ssemul_load_k8): Added amdfam10.
783 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
785 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
786 (x86_sse_unaligned_move_optimal): New variable.
788 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
790 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
791 for unaligned vector SSE double/single precision loads for AMDFAM10.
793 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
795 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
796 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
797 Define TARGET_CPU_DEFAULT_amdfam10.
798 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
799 (processor_type): Add PROCESSOR_AMDFAM10.
801 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
802 processor_type in config/i386/i386.h.
803 Enable imul peepholes for TARGET_AMDFAM10.
805 * config.gcc: Add support for --with-cpu option for amdfam10.
807 * config/i386/i386.c (amdfam10_cost): New variable.
808 (m_AMDFAM10): New macro.
809 (m_ATHLON_K8_AMDFAM10): New macro.
810 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
811 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
812 x86_promote_QImode, x86_integer_DFmode_moves,
813 x86_partial_reg_dependency, x86_memory_mismatch_stall,
814 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
815 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
816 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
817 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
818 Enable/disable for amdfam10.
819 (override_options): Add amdfam10_cost to processor_target_table.
820 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
821 processor_alias_table.
822 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
823 (ix86_adjust_cost): Add code for amdfam10.
825 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
827 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
828 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
829 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
830 * config/i386/i386.h: Add builtin definition for SSE4A.
831 * config/i386/i386.md: Add support for ABM instructions
833 * config/i386/sse.md: Add support for SSE4A instructions
834 (movntss, movntsd, extrq, insertq).
835 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
836 Add -march=amdfam10 flag.
837 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
838 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
840 * doc/extend.texi: Add documentation for SSE4A builtins.
842 2007-02-05 Bob Wilson <bob.wilson@acm.org>
844 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
846 2007-02-05 Richard Guenther <rguenther@suse.de>
848 * tree-vectorizer.h (vectorizable_function): Add argument type
849 argument, change return type.
850 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
851 * tree-vect-transform.c (vectorizable_function): Handle extra
852 argument, return vectorized function decl.
853 (build_vectorized_function_call): Remove.
854 (vectorizable_call): Handle calls with result and argument types
855 differing. Handle loop vectorization factor correctly.
856 * targhooks.c (default_builtin_vectorized_function): Adjust for
858 * targhooks.h (default_builtin_vectorized_function): Likewise.
859 * target.h (builtin_vectorized_function): Add argument type
861 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
862 extra argument, allow vectorizing of lrintf.
863 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
864 documentation of target hook.
866 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
869 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
870 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
871 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
873 2007-02-05 Roger Sayle <roger@eyesopen.com>
875 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
876 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
877 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
878 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
879 before canonicalizing sincos to cexpi.
880 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
882 2007-02-05 Roger Sayle <roger@eyesopen.com>
884 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
885 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
886 (alpha_init_builtins): Use alpha_add_builtins to process tables.
888 2007-02-05 Roger Sayle <roger@eyesopen.com>
890 * mips-tfile.c (initialize_init_file): Correct endianness test.
892 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
894 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
897 2007-02-05 Richard Sandiford <richard@codesourcery.com>
899 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
900 saves in a PARALLEL before the register assignments.
902 2007-02-05 Richard Sandiford <richard@codesourcery.com>
904 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
905 DWARF_FRAME_RETURN_COLUMN to be a general register.
906 * dwarf2out.c (init_return_column_size): New function, split from...
907 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
908 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
909 to be nongeneral registers.
910 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
912 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
913 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
915 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
917 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
919 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
921 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
922 (remove_path): Use can_remove_branch_p and remove_branch instead
923 of loop_delete_branch_edge.
924 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
925 (tree_transform_and_unroll_loop): Remove dead branches immediately.
926 Update profile using scale_dominated_blocks_in_loop.
927 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
928 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
929 (can_remove_branch_p, remove_branch): Declare.
930 * tree-cfg.c (tree_can_remove_branch_p): New function.
931 (tree_cfg_hooks): Add tree_can_remove_branch_p.
932 * cfgrtl.c (rtl_can_remove_branch_p): New function.
933 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
935 2007-02-05 Jan Hubicka <jh@suse.cz>
938 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
939 nodes in cgraph, don't remove offline copy of the function.
941 2007-02-04 Jan Hubicka <jh@suse.cz>
943 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
944 vectors might cause maybe_lookup_element_for_expr to be called
945 on non-sra-candidate.
947 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
949 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
950 config/bfin/bfin.md, config/bfin/predicates.md: Follow
951 spelling conventions.
953 2007-02-04 Richard Guenther <rguenther@suse.de>
956 * fold-const.c (try_move_mult_to_index): Make sure to not
957 overflow one dimension of a multi-dimensional array access.
959 2007-02-04 Jan Hubicka <jh@suse.cz>
961 * passes.c (init_optimization_passes): Reindent.
963 2007-02-04 Jan Hubicka <jh@suse.cz>
964 Eric Botcazou <ebotcazou@adacore.com>
966 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
967 (execute_fixup_cfg): Break out the abnormal goto code.
968 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
969 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
970 (optimize_inline_calls): Call make_nonlocal_label_edges.
972 2007-02-04 Jan Hubicka <jh@suse.cz>
974 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
975 true when something was changed.
976 (rename_ssa_copies): When something was changed, do
977 TODO_remove_unused_locals.
978 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
979 add TODO_remove_unused_locals when instruction was removed.
981 2007-02-04 Jan Hubicka <jh@suse.cz>
983 * ipa-inline.c (try_inline): Improve debug output; work on already
985 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
986 call try_inline for already inlined edges too when flattening;
987 inline also functions that make callee growth but overall unit size
990 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
992 * config/m32c/bitops.md, config/m32c/jump.md,
993 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
994 config/m32r/m32r.h, config/m32r/m32r.md,
995 config/m32r/predicates.md, config/m68hc11/larith.asm,
996 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
997 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
998 config/mips/mips-protos.h, config/mips/mips.c,
999 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
1000 config/mn10300/mn10300.h, config/mn10300/predicates.md,
1001 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
1002 spelling conventions.
1004 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
1005 Follow spelling conventions.
1007 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
1009 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
1010 warn about C++0x compatibility.
1012 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
1014 * config/h8300/h8300.c, config/h8300/h8300.h,
1015 config/h8300/h8300.md: Follow spelling conventions.
1017 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
1020 * combine.c (try_combine): Do not substitute source operand
1021 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
1023 2007-02-03 Jan Hubicka <jh@suse.cz>
1025 PR gcov-profile/30650
1026 * value-prof.c (stringop_block_profile): Fix handling of size counter;
1027 do not divide by zero for never executed counters.
1028 (tree_find_values_to_profile): Fix counters.
1029 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
1031 2007-02-03 Ian Lance Taylor <iant@google.com>
1033 * lower-subreg.c (simple_move_operand): New static function,
1034 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
1036 (simple_move): Call simple_move_operand.
1037 (find_decomposable_subregs): Add special handling of MEMs.
1038 (can_decompose_p): Rename from cannot_decompose_p. Reverse
1039 meaning of return value. If we see a hard register, test whether
1040 it can store a word_mode value. Change all callers.
1042 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1044 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
1045 ftrapv insns and expanders.
1046 (subdi3): Change define_expand operand 1 to arith11_operand, and
1047 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
1048 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
1049 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
1053 * varasm.c (notice_global_symbol): Treat global objects as weak when
1056 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1058 * emit-rtl.c (dconstpi): Delete.
1060 (init_emit_once): Delete dconstpi and init dconstsqrt2.
1061 * real.h (dconstpi): Delete.
1063 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
1064 (fold_builtin_hypot): Likewise.
1066 2007-02-03 Tom Tromey <tromey@redhat.com>
1069 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
1070 -gcoff3, -gxcoff3, -gvms3 implies -dD.
1072 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
1074 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
1075 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
1076 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
1077 config/rs6000/cell.md, config/rs6000/darwin.h,
1078 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
1079 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
1080 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
1081 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
1082 typos. Follow spelling conventions.
1083 * doc/invoke.texi: Follow spelling conventions.
1085 2007-02-03 Roger Sayle <roger@eyesopen.com>
1087 * simplify-rtx.c (simplify_relational_operation_1): Implement some
1088 canonicalization transformations that attempt to simplify integer
1089 constant comparisons to become comparisons against zero.
1091 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1093 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
1095 * fold-const.c (fold_binary): Fix comment typos. Fold complex
1096 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
1098 2007-02-02 Mike Stump <mrs@apple.com>
1100 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
1101 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
1102 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
1103 generate a branch island.
1105 2007-02-02 Bob Wilson <bob.wilson@acm.org>
1107 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
1108 (xtensa_legitimate_address_p): New.
1109 (xtensa_legitimize_address): New.
1110 (xtensa_output_addr_const_extra): New.
1111 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
1113 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
1114 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
1115 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
1116 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
1117 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
1118 (xtensa_legitimize_address): New.
1119 (xtensa_output_addr_const_extra): New.
1121 2007-02-02 Steve Ellcey <sje@cup.hp.com>
1123 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
1125 2007-02-02 Ian Lance Taylor <iant@google.com>
1127 * expmed.c (expand_divmod): Add comment.
1129 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
1131 * emit-rtl.c (renumber_insns): Remove.
1132 * flags.h: Remove the extern for flag_renumber_insns.
1133 * rtl.h: Remove the prototype for renumber_insns.
1134 * toplev.c (flag_renumber_insns): Remove.
1136 2007-02-02 Hui-May Chang <hm.chang@apple.com>
1138 Revert for x86 darwin:
1139 2005-06-19 Uros Bizjak <uros@kss-loka.si>
1141 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
1142 code before the following patch under TARGET_MACHO.
1143 (ix86_function_value_regno_p): Likewise.
1145 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1147 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
1150 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1153 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
1154 general or fp registers. Add comments.
1155 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
1157 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
1159 * pointer-set.c (insert_aux): Only return insertion slot.
1160 (pointer_set_insert): Adjust.
1161 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
1162 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
1163 pointer_map_traverse): New.
1164 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
1165 pointer_map_create, pointer_map_destroy, pointer_map_insert,
1166 pointer_map_contains, pointer_map_traverse): Declare.
1168 2007-02-02 Jakub Jelinek <jakub@redhat.com>
1171 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
1172 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
1174 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1176 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
1178 (struct _dep): New type.
1179 (dep_t): New typedef.
1180 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
1181 (DEP_STATUS): New access macro. The macro with the same name was
1182 renamed to DEP_LINK_STATUS.
1183 (dep_init): Declare function
1185 (struct _dep_link): New type.
1186 (dep_link_t): New typedef.
1187 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
1188 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
1189 (DEP_LINK_STATUS): New macro.
1190 (debug_dep_links): New debug function.
1192 (struct _deps_list): New type.
1193 (deps_list_t): New typedef.
1194 (DEPS_LIST_FIRST): New access macro.
1195 (FOR_EACH_DEP_LINK): New cycle macro.
1196 (create_deps_list, free_deps_list, delete_deps_list): Declare
1198 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
1199 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
1200 (copy_deps_list_change_con): Ditto.
1202 (move_dep_link): Declare function.
1204 (struct _dep_node): New type.
1205 (dep_node_t): New typedef.
1206 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
1208 (struct haifa_insn_data.back_deps): New field to hold backward
1209 dependencies of the insn.
1210 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
1212 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
1213 Change its type to deps_list_t.
1214 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
1215 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
1216 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
1218 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
1220 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
1222 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
1224 (dep_cost): Declare.
1226 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
1227 (ds_to_dk, dk_to_ds): New functions.
1229 (init_dep_1): New static function.
1230 (init_dep): New function.
1231 (copy_dep): New static function.
1233 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
1235 (detach_dep_link): New static function.
1236 (move_dep_link): New function.
1238 (dep_links_consistent_p, dump_dep_links): New static functions.
1239 (debug_dep_links): New debugging function.
1241 (deps_obstack, dl_obstack, dn_obstack): New static variables.
1243 (alloc_deps_list, init_deps_list): New static functions.
1244 (create_deps_list): New function.
1245 (clear_deps_list): New static function.
1246 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
1247 (deps_list_consistent_p, dump_deps_list): New static functions.
1248 (debug_deps_list): New function.
1249 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
1251 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
1253 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
1254 use new scheduler dependencies lists.
1255 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
1256 (sched_analyze): Ditto. Initialize dependencies lists.
1257 (add_forw_dep, compute_forward_dependences): Update to use new
1258 scheduler dependencies lists.
1260 (init_dependency_caches): Init deps_obstack.
1261 (free_dependency_caches): Free deps_obstack.
1263 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
1264 new scheduler dependencies lists.
1265 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
1266 (add_back_forw_dep, delete_back_forw_dep): Ditto.
1268 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
1269 Update to use new scheduler dependencies lists.
1270 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
1271 (debug_dependencies): Ditto.
1272 (schedule_region): Update comments.
1274 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
1275 scheduler dependencies lists.
1276 (schedule_ebb): Update comments.
1278 * rtl.def (DEPS_LIST): Remove.
1280 * lists.c (unused_deps_list): Remove.
1281 (free_list): Update assertions.
1283 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
1284 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1286 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
1287 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1289 * haifa-sched.c (comments): Update.
1290 (insn_cost1): Remove. Inline the code into insn_cost ().
1291 (insn_cost): Update to use new scheduler dependencies lists. Move
1292 processing of the dependency cost to dep_cost ().
1293 (dep_cost): New function. Use it instead of insn_cost () when
1294 evaluating cost of the dependency. Use compatible interface to
1295 interact with the target.
1296 (priority): Update to use new scheduler dependencies lists.
1297 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
1298 with greater number of insns that depend on the insn.
1299 (schedule_insn): Update to use new scheduler dependencies lists. Add
1300 code to free backward dependencies lists. Inline and optimize code
1301 from resolve_dep () - see PR28071.
1302 (ok_for_early_queue_removal): Update to use new scheduler dependencies
1303 lists. Update call to targetm.sched.is_costly_dependence hook.
1305 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
1306 scheduler dependencies lists.
1308 (resolve_dep): Remove. Move the logic to schedule_insn ().
1309 (init_h_i_d): Initialize dependencies lists.
1311 (process_insn_depend_be_in_spec): Rename to
1312 process_insn_forw_deps_be_in_spec. Update to use new scheduler
1314 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
1315 Update to use new scheduler dependencies lists.
1316 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
1318 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
1319 new scheduler dependencies lists.
1320 (build_intra_loop_deps): Ditto.
1322 * target.h (struct _dep): Declare to use in
1323 gcc_target.sched.is_costly_dependence.
1324 (struct gcc_target.sched.adjust_cost): Fix typo.
1325 (struct gcc_target.sched.is_costly_dependence): Change signature to use
1326 single dep_t parameter instead of an equivalent triad.
1327 (struct gcc_target.sched.adjust_cost_2): Remove.
1329 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
1331 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
1333 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
1335 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
1337 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
1338 (REG_DEP_TRUE): Document.
1340 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
1341 Change signature to correspond to the targetm.sched.adjust_cost hook.
1342 Update use in TARGET_SCHED_ADJUST_COST_2.
1343 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
1344 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
1345 new scheduler dependencies lists.
1346 (ia64_gen_check): Ditto.
1348 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
1351 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
1352 signature to correspond to the targetm.sched.is_costly_dependence hook.
1353 (is_costly_group): Update to use new scheduler dependencies lists.
1355 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
1356 instead of INSN_COST () macro.
1358 2007-02-01 Ian Lance Taylor <iant@google.com>
1360 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
1362 2007-02-01 Guy Martin <gmsoft@gentoo.org>
1364 * pa.md (tp_load): Correct mfctl instruction syntax.
1366 2007-02-01 Geoffrey Keating <geoffk@apple.com>
1368 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
1369 altivec_padding_size calculation on AIX. Improve comment, add
1370 assert to verify that it's right.
1372 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
1375 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
1378 * global.c (global_alloc): Add mising initialization of
1381 2007-02-01 Roger Sayle <roger@eyesopen.com>
1383 * alias.c (init_alias_analysis): Correct whitespace.
1384 * bb-reorder.c (fix_edges_for_rarely_executed_code,
1385 partition_hot_cold_basic_blocks): Likewise.
1386 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1387 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
1388 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1389 fold_builtin_snprintf_chk, fold_builtin_printf,
1390 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
1391 do_mpfr_arg3, do_mpfr_sincos): Likewise.
1392 * cfgcleanup.c (cleanup_cfg): Likewise.
1393 * cfgexpand.c (tree_expand_cfg): Likewise.
1394 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
1395 * function.c (get_next_funcdef_no): Likewise.
1396 * gengtype.c (main): Likewise.
1397 * genmodes.c (main): Likewise.
1398 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
1399 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
1400 * ifcvt.c (noce_emit_move_insn): Likewise.
1401 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
1403 * stor-layout.c (get_best_mode): Likewise.
1404 * tree-ssa-loop-niter.c (get_val_for): Likewise.
1405 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
1406 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
1407 perform_var_substitution, solve_graph): Likewise.
1408 * tree-vrp.c (vrp_finalize): Likewise.
1410 2007-02-01 Ian Lance Taylor <iant@google.com>
1412 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
1413 high part of a paradoxical subreg, return a constant zero.
1415 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
1417 * toplev.c (lang_dependent_init): Call init_set_costs.
1418 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
1420 2007-02-01 Richard Guenther <rguenther@suse.de>
1423 * fold-const.c (fold_negate_expr): Allow negating a
1424 constant if overflow does not change.
1426 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1428 * doc/c-tree.texi (Expression trees): Improve markup.
1429 * doc/tm.texi (Register Classes, Addressing Modes)
1430 (Floating Point): Fix spacing after abbreviations. Fix some
1433 2007-02-01 Ben Elliston <bje@au.ibm.com>
1435 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
1436 * doc/contrib.texi: Likewise.
1437 * doc/install.texi: Likewise.
1439 2007-01-31 Richard Henderson <rth@redhat.com>
1440 Ian Lance Taylor <iant@google.com>
1442 * lower-subreg.c: New file.
1443 * rtl.def (CONCATN): Define.
1444 * passes.c (init_optimization_passes): Add pass_lower_subreg and
1446 * emit-rtl.c (update_reg_offset): New static function, broken out
1447 of gen_rtx_REG_offset.
1448 (gen_rtx_REG_offset): Call update_reg_offset.
1449 (gen_reg_rtx_offset): New function.
1450 * regclass.c: Revert patch of 2006-03-05, restoring
1452 (clear_reg_info_regno): New function.
1453 * dwarf2out.c (concatn_loc_descriptor): New static function.
1454 (loc_descriptor): Handle CONCATN.
1455 * common.opt (fsplit_wide_types): New option.
1456 * opts.c (decode_options): Set flag_split_wide_types when
1458 * timevar.def (TV_LOWER_SUBREG): Define.
1459 * rtl.h (gen_reg_rtx_offset): Declare.
1460 (reg_scan_update): Declare.
1461 * regs.h (clear_reg_info_regno): Declare.
1462 * tree-pass.h (pass_lower_subreg): Declare.
1463 (pass_lower_subreg2): Declare.
1464 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
1465 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
1467 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
1468 * Makefile.in (OBJS-common): Add lower-subreg.o.
1469 (lower-subreg.o): New target.
1471 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
1473 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
1475 2007-01-31 Anatoly Sokolov <aesok@post.ru>
1478 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
1480 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1483 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
1485 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
1487 * cfgloop.h: Include vec-prim.h.
1488 (enum li_flags): Remove LI_ONLY_OLD.
1489 (loop_iterator): Changed.
1490 (fel_next, fel_init): Iterate over loop tree.
1491 (FOR_EACH_LOOP_BREAK): New macro.
1492 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
1494 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
1495 * modulo-sched.c (sms_schedule): Ditto.
1496 * tree-vectorizer.c (vectorize_loops): Ditto.
1497 * doc/loop.texi: Update information on loop numbering and behavior of
1498 FOR_EACH_LOOP wrto new loops.
1499 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1500 add_to_evolution_1): Test nestedness of loops instead of comparing
1502 * tree-chrec.c (chrec_fold_plus_poly_poly,
1503 chrec_fold_multiply_poly_poly, chrec_evaluate,
1504 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
1505 reset_evolution_in_loop): Ditto.
1506 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
1508 2007-01-31 Dirk Mueller <dmueller@suse.de>
1510 * c-common.c (warn_about_parentheses): Separate warning about
1511 un-parenthized sequence of comparison operators from the one
1512 which is supposed to warn about x <= y <= z.
1514 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
1516 * optabs.h (enum optab_index): Add new OTI_isinf.
1517 (isinf_optab): Define corresponding macro.
1518 * optabs.c (init_optabs): Initialize isinf_optab.
1519 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1521 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1522 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1524 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1525 expand_builtin_interclass_mathfn.
1526 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1527 * config/i386/i386.md (UNSPEC_FXAM): New constant.
1528 (fxam<mode>2_i387): New insn pattern.
1529 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1530 built-in functions as x87 inline asm.
1532 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
1534 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1536 2007-01-30 Eric Christopher <echristo@apple.com>
1538 * config.gcc: Add geode.
1540 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
1542 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1543 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1544 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1545 value-prof.c: Fix comment typos.
1547 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1550 * doc/invoke.texi (Wpointer-arith): Document warning.
1552 2007-01-30 Janis Johnson <janis187@us.ibm.com>
1554 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1555 the list of discrepancies from the draft TR.
1557 2007-01-30 Dirk Mueller <dmueller@suse.de>
1560 * doc/invoke.texi (-Wreturn-type): Update description to
1563 2007-01-30 Richard Sandiford <richard@codesourcery.com>
1565 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1567 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
1569 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1570 to handle optabs that operate on floating point input argument and
1571 output to integer output.
1572 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1573 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1574 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1575 expand_builtin_interclass_mathfn ().
1576 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1578 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1579 ilogbl built-in functions as x87 intrinsics.
1581 2007-01-30 Richard Guenther <rguenther@suse.de>
1584 * dwarf2out.c (reference_to_unused): Query varpool if the
1585 variable was output.
1587 2007-01-30 Richard Guenther <rguenther@suse.de>
1590 * passes.c (execute_one_pass): Reset in_gimple_form to not
1591 confuse non-unit-at-a-time mode.
1593 2007-01-29 Roger Sayle <roger@eyesopen.com>
1594 Richard Guenther <rguenther@suse.de>
1596 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1597 avoid undefined behaviour on overflow. Use force_fit_type_double
1598 to construct the constant with the specified TREE_OVERFLOW.
1600 2007-01-29 Janis Johnson <janis187@us.ibm.com>
1602 * config/dfp-bit.c: Add parameterized support for fp exceptions.
1603 * config/dfp-bit.h: Ditto.
1605 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1607 * c-decl.c (pop_scope): Replace warnings with call to
1608 warn_for_unused_label.
1609 * c-common.h (warn_for_unused_label): Declare.
1610 * c-common.c (warn_for_unused_label): Define.
1612 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1614 * tree-optimize.c (update_inlined_to_pointers): Delete unused
1617 2007-01-29 Janis Johnson <janis187@us.ibm.com>
1619 * Makefile.in (USER_H): Remove decfloat.h.
1620 * ginclude/decfloat.h: Delete, moving contents to ...
1621 * ginclude/float.h: Add support for decimal floating point,
1622 guarded by __STDC_WANT_DEC_FP__.
1624 2007-01-29 Mike Stump <mrs@apple.com>
1626 * doc/gccint.texi (Top): Rename Loop Representation to Loop
1627 Analysis and Representation to resolve case insensitive conflict.
1628 * doc/loop.texi (Loop Analysis and Representation): Likewise.
1630 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
1632 * tree.h (struct tree_memory_tag): Add aliases member.
1633 (MTAG_ALIASES): New macro.
1634 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1635 (add_may_alias): Remove pointer-set. Update for may_aliases being
1637 (mark_aliases_call_clobbered): Update for may_aliases being a
1639 (compute_tag_properties): Ditto.
1640 (create_partition_for): Ditto.
1641 (compute_memory_partitions): Ditto.
1642 (dump_may_aliases_for): Ditto.
1643 (is_aliased_with): Ditto.
1644 (add_may_alias_for_new_tag): Ditto.
1645 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1646 (compute_is_aliased): New function.
1647 (compute_may_aliases): Call compute_is_aliased).
1648 (init_alias_info): Initialize alias_bitmap_obstack.
1649 (union_alias_set_into): New function.
1650 (compute_flow_sensitive_aliasing): Use union_aliases_into.
1651 (have_common_aliases_p): Rewrite to take two bitmaps and use
1653 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1655 (finalize_ref_all_pointers): Update for add_may_alias changes.
1656 (new_type_alias): Ditto.
1657 * tree-flow-inline.h (may_aliases): Return a bitmap.
1658 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1659 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1660 may_aliases being a bitmap.
1661 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1662 may_aliases now returns a bitmap.
1663 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1665 * tree-ssa-operands.c (add_virtual_operand): Update for
1666 may_aliases being a bitmap.
1668 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
1670 PR tree-optimization/30630
1671 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1672 variable as changed.
1674 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
1677 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1678 expanded only once even if an error occurs.
1680 2007-01-29 Ben Elliston <bje@au.ibm.com>
1682 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1683 (__gcov_average_profiler): Likewise.
1684 (__gcov_ior_profiler): Likewise.
1685 (__gcov_merge_ior): Likewise.
1687 2007-01-28 Jan Hubicka <jh@suse.cz>
1689 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1690 * value-prof.c (stringop_block_profile): Likewise.
1692 2007-01-28 Jan Hubicka <jh@suse.cz>
1694 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1695 variant handling histograms; add wrapper.
1696 (clear_storage_via_libcall): Export.
1697 (emit_block_move_hints): Break out from ...; add histograms.
1698 (emit_block_move): ... this one.
1699 (clear_storage_hints): Break out from ...; add histograms.
1700 (clear_storage): ... this one.
1701 (set_storage_via_memset): Handle histogram.
1702 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1703 (clear_storage_hints, clear_storage_via_libcall): Declare.
1704 (set_storage_via_setmem): Update prototype.
1705 * doc/md.texi (movmem, setmem): Document new arguments.
1707 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1709 (stringop_block_profile): New global function.
1710 (tree_stringops_values_to_profile): Profile block size and alignment.
1711 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1713 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1714 (stringop_block_profile): Declare.
1715 * builtins.c: Include value-prof.h.
1716 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1717 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1718 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1719 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1720 * profile.c (instrument_values): Add new counters.
1721 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1723 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1724 (tree_init_edge_profiler): Build new profilers.
1725 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
1726 (pass_tree_profile): Add dump.
1727 (tree_profile_hooks): Update.
1728 * Makefile.in (LIBGCOV): Add new constants.
1729 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
1730 __gcov_ior_profiler): New.
1731 * i386.md (movmem/setmem expanders): Add new optional arguments.
1733 2007-01-28 David Edelsohn <edelsohn@gnu.org>
1735 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
1737 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
1739 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
1740 (tree_unswitch_single_loop): Pass eni_size_weights to
1741 tree_num_loop_insns.
1742 * tree-ssa-loop-manip.c: Include tree-inline.h.
1743 (can_unroll_loop_p): Pass eni_size_weights to
1744 tree_num_loop_insns.
1745 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
1746 Pass eni_size_weights to estimate_num_insns.
1747 * tree.h (init_inline_once): Export.
1748 * toplev.c (backend_init): Call init_inline_once.
1749 * cgraphunit.c (cgraph_process_new_functions,
1750 cgraph_analyze_function): Pass eni_inlining_weights to
1752 * ipa-inline.c (compute_inline_parameters): Ditto.
1753 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
1754 to estimate_num_insns.
1755 (try_unroll_loop_completely): Pass eni_size_weights to
1756 tree_num_loop_insns.
1757 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
1758 ot estimate_num_insns.
1759 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
1760 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
1761 * tree-inline.c (eni_inlining_weights, eni_size_weights,
1762 eni_time_weights): New variables.
1763 (init_inline_once): Initialize them.
1764 (struct eni_data): Mew.
1765 (estimate_num_insns_1, estimate_num_insns): Use weights.
1766 * tree-inline.h (struct eni_weights_d): New.
1767 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
1768 (estimate_num_insns): Declaration changed.
1769 * cfgloop.h (tree_num_loop_insns): Declaration changed.
1770 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
1771 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
1773 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
1775 * tree-data-ref.c (conflict_fn): Assert that the number of affine
1776 relations in the conflict function is valid.
1778 2007-01-27 Ian Lance Taylor <iant@google.com>
1780 * common.opt: Add fstrict-overflow.
1781 * opts.c (decode_options): Set flag_strict_overflow if -O2.
1782 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
1783 (TYPE_OVERFLOW_UNDEFINED): Define.
1784 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
1786 * tree.h (TYPE_TRAP_SIGNED): Don't define.
1787 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
1788 (fold_negate_expr): Likewise.
1789 (make_range): Likewise.
1790 (extract_muldiv_1): Likewise.
1791 (maybe_canonicalize_comparison): Likewise.
1792 (fold_comparison): Likewise.
1793 (fold_binary): Likewise.
1794 (tree_expr_nonnegative_p): Likewise.
1795 (tree_expr_nonzero_p): Likewise.
1796 * tree-vrp.c (compare_values): Likewise.
1797 (extract_range_from_binary_expr): Likewise.
1798 (extract_range_from_unary_expr): Likewise.
1799 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
1801 (nowrap_type_p): Likewise.
1802 * tree-scalar-evolution.c (simple_iv): Likewise.
1803 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
1804 (build_range_check): Likewise.
1805 (extract_muldiv_1): Likewise.
1806 (fold_comparison): Likewise.
1807 * tree-vrp.c (vrp_int_const_binop): Likewise.
1808 (extract_range_from_unary_expr): Likewise.
1809 * convert.c (convert_to_integer): Likewise.
1810 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
1811 (fold_comparison): Likewise.
1812 (fold_binary): Likewise.
1813 * optabs.c (optab_for_tree_code): Likewise.
1814 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
1815 * simplify-rtx.c (simplify_const_relational_operation): Check
1816 flag_strict_overflow and flag_trapv.
1817 (simplify_const_relational_operation): Likewise.
1818 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
1819 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
1822 2007-01-27 Roger Sayle <roger@eyesopen.com>
1824 * tree.c (tree_fold_gcd): Delete.
1825 * tree.h (tree_fold_gcd): Remove prototype.
1826 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
1827 test whether one constant integer is a multiple of another. Instead
1828 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
1829 * fold-const.c (multiple_of_p): We've determined both TOP and
1830 BOTTOM are integer constants so we can call int_const_binop directly
1831 instead of the more generic const_binop.
1833 2007-01-27 Roger Sayle <roger@eyesopen.com>
1835 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
1836 1*X check that the constant hasn't overflowed, to preserve the
1838 (round_up): Provide an efficient implementation when rouding-up an
1839 INTEGER_CST to a power-of-two.
1841 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1843 * doc/sourcebuild.texi: Add comma for clarity.
1844 * doc/extend.texi: Fix some typos.
1845 * doc/passes.texi: Likewise.
1846 * doc/cppinternals.texi: Likewise.
1847 * doc/c-tree.texi: Likewise.
1848 * doc/tree-ssa.texi: Likewise.
1849 * doc/install.texi: Likewise.
1851 2007-01-27 Jan Hubicka <jh@suse.cz>
1853 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
1854 (pass_sra): Do not require alias information.
1855 * passes.c (init_optimization_passes): Add SRA
1857 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
1859 * tracer.c (rest_of_handle_tracer): We already cleaned
1860 up the CFG in tracer() so don't do it here again.
1861 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
1862 cleanup_cfg here, either. And don't call renumber_insns.
1864 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
1865 and BB_HEAD are in the insn stream here. Instead make sure
1866 that BB_INSN is valid on all insns. Also, do check here that
1867 there are no pending branch predictions...
1868 (rtl_verify_flow_info): ...instead of doing it here. Checks
1869 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
1872 2007-01-26 Roger Sayle <roger@eyesopen.com>
1874 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
1875 function to simplify/factorize operand order canonicalization.
1876 (ix86_fixup_binary_operands): Reorganize using the above function.
1877 (ix86_binary_operator_ok): Likewise.
1879 2007-01-27 Jakub Jelinek <jakub@redhat.com>
1881 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
1882 file scope from optimize_attrs.
1883 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
1885 (optimize_attrs): Clear insn_code_values after freeing it.
1887 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
1889 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
1890 a parts.base assignment.
1892 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
1894 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
1895 (compute_subscript_distance, initialize_data_dependence_relation,
1896 finalize_ddr_dependent, analyze_ziv_subscript,
1897 analyze_siv_subscript_cst_affine,
1898 compute_overlap_steps_for_affine_univar,
1899 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
1900 analyze_siv_subscript, analyze_miv_subscript,
1901 analyze_overlapping_iterations, subscript_dependence_tester_1,
1902 compute_self_dependence, free_dependence_relation): Work
1903 with affine_fn instead of chrecs.
1904 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
1905 common_affine_function, affine_function_base,
1906 affine_function_constant_p, affine_fn_op, affine_fn_plus,
1907 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
1908 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
1909 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
1910 (all_chrecs_equal_p): Removed.
1911 * tree-data-ref.h (affine_fn, conflict_function): New types.
1912 (struct subscript): Change type of conflicting_iterations_in_a
1913 and conflicting_iterations_in_b.
1915 2007-01-26 Steve Ellcey <sje@cup.hp.com>
1918 * config/pa/pa.h (TARGET_HPUX_11): New.
1919 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
1920 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
1922 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
1923 Richard Guenther <rguenther@suse.de>
1925 * tree-ssa-structalias.c (solve_graph): Handle case
1926 we merged the variable to another.
1928 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1930 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
1933 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
1934 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
1936 2007-01-25 DJ Delorie <dj@redhat.com>
1938 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
1939 allow changes to modes which don't fit in those registers.
1941 * reload1.c (choose_reload_regs): Check for invalid subregs before
1942 computing their locations, not after.
1944 2007-01-25 Geoffrey Keating <geoffk@apple.com>
1947 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
1948 save Altivec registers in an eh_return function.
1949 (compute_vrsave_mask): Likewise.
1950 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
1951 for saving Altivec registers.
1952 (rs6000_emit_prologue): Don't allocate stack twice in
1953 eh_return function. Correct expected value of altivec_save_offset
1954 when using save_world. Describe save of R0 to stack when using
1955 save_world. Describe stack pointer adjustment when using
1956 save_world. Remove duplicated eh_return parameter register saving.
1957 Update sp_offset variable after save_world.
1958 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
1960 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
1961 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
1964 2007-01-25 Steve Ellcey <sje@cup.hp.com>
1966 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
1968 2007-01-25 Steve Ellcey <sje@cup.hp.com>
1971 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
1972 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
1974 2007-01-25 Richard Guenther <rguenther@suse.de>
1976 * doc/invoke.texi (-Wcoverage-mismatch): Document.
1977 * common.opt (-Wcoverage-mismatch): New warning option.
1978 * coverage.c (get_coverage_counts): Ignore coverage mismatch
1979 if -Wcoverage-mismatch is given.
1981 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
1983 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
1984 (ipcp_driver): Change to static definition.
1985 Add dumping of the ifunctions.
1986 (constant_val_insert): Remove unused parameter. Support for SSA.
1987 (ipcp_propagate_const): Support for SSA.
1988 (ipcp_profile_bb_print): Print only analyzed nodes.
1989 (ipcp_replace_map_create): Remove support for Fortran constant
1991 * ipa-prop.c (ipa_method_modify_stmt,
1992 ipa_callsite_compute_param): Support for SSA.
1993 * ipa-prop.h (ipcp_driver): Remove declaration.
1994 (IS_VALID_TREE_MAP_INDEX): Add define.
1996 2007-01-24 Geoffrey Keating <geoffk@apple.com>
1998 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
2000 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2003 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
2004 constant argument to cabs and do it without checking for
2005 -funsafe-math-optimizations.
2007 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
2009 * c-common.h (RID_FIRST_CXX0X): New.
2010 (RID_LAST_CXX0X): New.
2011 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
2013 * c.opt (Wc++0x-compat): New.
2014 * doc/invoke.texi (-Wc++0x-compat): Document.
2016 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2018 * builtins.c (fold_builtin_carg): New.
2019 (fold_builtin_1): Use it.
2021 2007-01-24 Jan Hubicka <jh@suse.cz>
2023 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
2025 * ipa-inline.c (initial_insns, max_insns): Delete.
2026 (compute_max_insns): New function.
2027 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
2028 of insns as base for code growth.
2029 (cgraph_decide_inlining): Make initial_insns local; do not compute
2031 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
2032 * doc/invoke.texi (inline-unit-growth): Update docs.
2034 2007-01-24 Jakub Jelinek <jakub@redhat.com>
2036 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
2037 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
2038 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
2039 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
2040 for CPUs that have PTA_CX16 set.
2043 * gimplify.c (omp_check_private): New function.
2044 (gimplify_scan_omp_clauses): Use it for
2045 firstprivate/lastprivate/reduction.
2048 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
2049 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
2052 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
2053 If lower_lastprivate_clauses emits some statements, append them
2054 to dlist rather than body_p and to body_p append an initializer.
2055 (lower_omp_for): Adjust caller.
2057 2007-01-24 Steve Ellcey <sje@cup.hp.com>
2059 * target.h (globalize_decl_name): New.
2060 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2061 * output.h (default_globalize_decl_name): New.
2062 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
2064 (globalize_decl): Ditto.
2065 (default_globalize_decl_name): New.
2066 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
2067 (ia64_handle_version_id_attribute): New.
2068 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2069 (ia64_asm_output_external): Use globalize_decl_name instead
2071 * doc/extend.texi (version_id): New pragma.
2072 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
2074 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
2076 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
2077 _uleb128_t and _Unwind_SWord with _sleb128_t.
2078 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
2079 uw_frame_state_for, uw_update_context_1): Likewise.
2080 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
2081 * unwind-pe.h (read_uleb128, read_sleb128,
2082 read_encoded_value_with_base): Likewise.
2083 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
2085 2007-01-24 Richard Guenther <rguenther@suse.de>
2087 * builtins.c (expand_builtin_cexpi): Get the fndecl
2088 for cexp in the correct way.
2090 2007-01-24 Jan Hubicka <jh@suse.cz>
2092 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
2094 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
2096 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
2097 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
2098 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
2099 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
2100 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
2101 __SIZEOF_PTRDIFF_T__.
2102 * doc/cpp.texi: Documentation for the new builtin macros added.
2104 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
2106 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
2107 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
2108 instead of operands[2] to avoid access past the end of array.
2110 2007-01-24 Richard Sandiford <richard@codesourcery.com>
2112 * reload1.c (emit_reload_insns): Pass the reload register
2113 for a non-spill output reload through forget_old_reloads_1.
2115 2007-01-23 Joseph Myers <joseph@codesourcery.com>
2117 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2118 _SOFT_DOUBLE if doubles use software floating-point.
2119 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
2120 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2121 * config/rs6000/darwin-ldouble.c: Also compile functions for
2122 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
2123 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2124 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
2125 commented-out long double override.
2126 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
2127 * config/rs6000/eabispe.h: Likewise.
2128 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
2129 long double for non-SPE.
2130 (rs6000_handle_option): Likewise.
2131 (invalid_e500_subreg): Disallow more subregs involding DImode,
2132 DFmode, TImode or TFmode.
2133 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
2135 (legitimate_lo_sum_address_p): Also check for TFmode for E500
2137 (rs6000_legitimize_address): Also handle TFmode for E500 double.
2138 (rs6000_legitimize_reload_address): Also handle TFmode for E500
2140 (rs6000_legitimate_address): Also check for TFmode for E500
2142 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
2143 (spe_build_register_parallel): Handle TFmode and TCmode.
2144 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
2146 (function_arg): Handle TFmode and TCmode for E500 double.
2147 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
2149 (print_operand): Handle TFmode and TImode for %y.
2150 (rs6000_generate_compare): Handle TFmode comparisons for E500
2152 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
2153 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
2154 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
2155 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
2156 TFmode for E500 double.
2157 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
2158 (floatsidf2): Enable for E500 double.
2159 (movtf_softfloat): Use rs6000_nonimmediate_operand.
2160 (extenddftf2): Change to extenddftf2_fprs.
2161 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
2162 depending on TARGET_E500_DOUBLE.
2163 (extendsftf2): Enable for E500 double.
2164 (trunctfdf2): Enable for E500 double.
2165 (trunctfsf2): Change to trunctfsf2_fprs.
2166 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
2167 depending on TARGET_E500_DOUBLE.
2168 (floatsitf2): Enable for E500 double.
2169 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
2170 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
2171 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
2172 (negtf2): Change to negtf2_internal.
2173 (negtf2): New expander.
2174 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
2175 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
2176 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
2177 (movdi_internal32): Use rs6000_nonimmediate_operand.
2178 (unnamed splitter): Likewise.
2179 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
2180 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
2181 (SPE64TF, DITI): New mode macros.
2182 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
2185 (frob_<mode>_di_2): New.
2186 (frob_tf_di_8_2): New.
2187 (frob_di_df): Change to frob_di_<mode>; allow more modes.
2189 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
2191 (frob_ti_<mode>_8_2): New.
2192 (frob_ti_tf_2): New.
2193 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
2194 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
2196 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
2197 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
2198 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
2199 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
2200 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
2201 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
2204 2007-01-23 Ian Lance Taylor <iant@google.com>
2206 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
2208 (OBJS-archive): Reformat, alphabetize.
2209 (OBJS): Change out_object_file to OBJS-md.
2211 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
2213 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
2214 JUMP_P and CALL_P predicates where applicable.
2215 * config/i386/i386.c: Ditto.
2216 * config/i386/i386.md: Ditto.
2217 * config/i386/mmx.md: Ditto.
2218 * config/i386/predicates.md: Ditto.
2220 2007-01-22 Andreas Schwab <schwab@suse.de>
2222 * config/m68k/m68k.h: Fix comment.
2224 2007-01-22 Jan Hubicka <jh@suse.cz>
2226 * passes.c (init_optimization_passes): Do not rerun
2227 pass_early_warn_uninitialized.
2229 2007-01-22 Richard Guenther <rguenther@suse.de>
2231 PR tree-optimization/30038
2232 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
2234 (execute_cse_sincos_1): Likewise.
2235 (execute_cse_sincos): Likewise.
2236 (gate_cse_sincos): Likewise.
2237 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
2238 the cexpi() canonicalization of sincos().
2239 * tree-pass.h (pass_cse_sincos): Declare.
2240 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
2242 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2244 PR rtl-optimization/29329
2245 * combine.c (replaced_rhs_insn): Rename to i2mod.
2246 (replaced_rhs_value): Rename to i2mod_new_rhs.
2247 (i2mod_old_rhs): New global variable.
2248 (combine_instructions): Adjust for above change. Save a copy of
2249 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
2250 note are substituted in the second instruction.
2251 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
2252 ditch the note if it pertains to the second eliminated register
2253 and this register is mentioned in i2mod_old_rhs.
2256 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2258 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2259 the insn to which the note was originally attached.
2261 2007-01-21 Jan Hubicka <jh@suse.cz>
2263 * ipa-inline.c (inlining_mode): Comment, move up.
2264 (cgraph_decide_inlining_incrementally): Do not perform inlining
2265 itself; fix handling of flattening of self recursive functions.
2266 (cgraph_find_cycles): Remove.
2267 (cgraph_flatten_node): Remove.
2268 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
2269 (try_inline): New function.
2270 (cgraph_early_inlining): Update call of
2271 cgraph_decide_inlining_incrementally. Apply inlining here.
2272 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
2274 2007-01-21 Dirk Mueller <dmueller@suse.de>
2277 * tree-vrp.c (check_array_bounds): do not warn
2278 about ADDR_EXPR's of ARRAY_REF's which are immediately
2279 used in binary expressions.
2281 2007-01-21 Ira Rosen <irar@il.ibm.com>
2283 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
2284 read_write_dep and macros for its access.
2285 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2286 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
2287 argument, call vect_check_interleaving for every independent pair of
2288 data-refs. Mark loads that access the same memory location as a store
2290 (vect_check_dependences): Remove.
2291 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
2292 call, fix the call to vect_analyze_data_ref_dependence.
2293 (vect_analyze_data_ref_access): For statements that access the same
2294 data-ref, check that they are not stores; for loads, check that there
2295 is no store that access the same location.
2297 2007-01-20 Roger Sayle <roger@eyesopen.com>
2298 Joseph Myers <joseph@codesourcery.com>
2300 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
2301 (-fdump-rtl-stack): Likewise.
2302 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
2303 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
2304 (-mpt-fixed): Use @minus{} for minus sign.
2305 (Using Precompiled Headers): Fix under/overfull hbox.
2307 2007-01-20 Jan Hubicka <jh@suse.cz>
2309 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
2310 place within annotation.
2312 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2314 * pa.c (output_move_double): Change array size of xoperands to 4.
2316 2007-01-20 Jan Hubicka <jh@suse.cz>
2318 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
2321 2007-01-19 Ian Lance Taylor <iant@google.com>
2323 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
2324 constant to unsigned HOST_WIDE_INT before negating.
2326 2007-01-19 Ian Lance Taylor <iant@google.com>
2328 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
2330 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
2331 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2332 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
2333 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
2334 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2335 (realloc_vdef, realloc_vuse): Change second parameter to
2337 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
2339 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
2340 unsigned. Change x and lim locals to unsigned.
2341 (realloc_vdef, realloc_vuse): Change num_elem parameter to
2343 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
2344 (copy_virtual_operands): Change i and n locals to unsigned.
2346 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2349 * builtins.c (fold_builtin_1): Handle builtin fdim.
2351 2007-01-20 Jan Hubicka <jh@suse.cz>
2353 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
2354 * tree-ssa-structalias.c (compute_points_to_sets): Do call
2355 init_alias_heapvars.
2356 (init_alias_heapvars): Initialize only when not already initialized.
2357 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
2359 2007-01-19 Roger Sayle <roger@eyesopen.com>
2361 * common.opt (fsigned-zeros): New command line option.
2362 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
2363 of flag_unsafe_math_optimizations.
2364 * opts.c (set_fast_math_flags): The -ffast-math command line option
2365 implies -fno-signed-zeros.
2366 (fast_math_flags_set_p): Likewise.
2368 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
2369 the documentation of -ffast-math appropriately. Wrap long lines.
2371 2007-01-19 Steve Ellcey <sje@cup.hp.com>
2373 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
2374 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
2376 2007-01-19 Tomas Bily <tbily@suse.cz>
2378 * cgraphunit.c (cgraph_finalize_function): Updating of pid
2380 (tree_init_ic_make_global_vars): New function
2381 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
2382 (tree_gen_ic_profiler): New function
2383 (tree_gen_ic_func_profiler): New function
2384 (tree_profiling): Added calling of tree_gen_ic_func_profiler
2385 (tree_profile_hooks): Added hook for indirec/virtual calls
2386 * value-prof.c (tree_find_values_to_profile): New case for
2388 (tree_values_to_profile): Call for determining indirect/virtual
2390 (tree_indirect_call_to_profile): New function
2391 (tree_ic_transform): New function
2392 (tree_ic): New function
2393 (find_func_by_pid): New function
2394 (init_pid_map): New function
2395 (tree_value_profile_transformations): Added check for
2396 indirect/virtual call transformation
2397 * value-prof.h (enum hist_type): New counter type for
2398 indirect/virtual calls
2399 (profile_hooks): Added new hook for profiling indirect/virtual
2401 * profile.c (instrument_values): New case for indirect/virtual
2403 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
2404 (GCOV_COUNTER_V_INDIR): New counter type
2405 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
2406 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
2408 * cgraph.c: Definition of cgraph_max_pid
2409 (cgraph_create_node): Default init of pid attribute
2410 * cgraph.h: Declaration of cgraph_max_pid
2411 (struct cgraph_node): Added pid attribute
2412 * libgcov.c (__gcov_indirect_call_profiler): New function
2413 (__gcov_one_value_profiler_body): New function
2414 (__gcov_one_value_profiler): Body was moved to
2415 __gcov_one_value_profiler_body and calls it
2417 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
2419 * doc/gty.texi (Options): Document the mark_hook option to GTY.
2420 * gengtype.c (write_types_data, write_func_for_structure,
2421 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
2422 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
2423 (walk_type, write_func_for_structure): Generate the mark_hook if
2426 2007-01-19 Jan Hubicka <jh@suse.cz>
2428 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
2429 'early' argument take inlining mode argument specifying whether to
2430 inline for size/speeed or all functions; add support for flattening;
2432 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
2434 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2437 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
2438 the name of the declared identifier.
2440 2007-01-19 Dirk Mueller <dmueller@suse.de>
2442 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
2443 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
2444 duplicate evaluation.
2446 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
2448 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
2449 Macroize expander using X87MODEF12 mode macro. Extend operand 1
2450 to XFMode, use acosxf2 and truncate result to requested mode.
2451 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2452 (asin<mode>2): Similarly, with asin expanders.
2453 (*fscalexf4_i387): Rename from *fscalexf4.
2454 (expNcorexf3): New expander.
2455 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
2456 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
2457 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
2458 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
2459 patterns for SSE math.
2460 (exp10<mode>2): Similarly, with exp10 expanders.
2461 (exp2<mode>2): Similarly, with exp2 expanders.
2462 (expm1<mode>2): Similarly, with expm1 expanders.
2463 (ldexp<mode>3): Similarly, with ldexp expanders.
2464 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
2465 Use gen_truncxf<mode>2_i387_noop to truncate result.
2467 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2469 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
2470 for ColdFire targets.
2472 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
2473 Richard Sandiford <richard@codesourcery.com>
2475 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
2476 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
2477 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
2478 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
2479 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2480 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2482 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2484 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
2485 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
2486 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
2487 (*adddi_dilshr32_cf): New pattern.
2488 (adddi3, subdi3): Remove first alternatives.
2490 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2492 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
2493 implemented using move.l, do not use its cc result for floating-point
2496 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2498 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
2499 from accepting 's' constraints if flag_pic.
2501 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2503 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
2504 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
2505 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
2506 condition from TARGET_68881 to TARGET_HARD_FLOAT.
2508 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
2510 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2511 ColdFire alternatives.
2512 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2513 * config/m68k/m68k.md (clzsi2): Define for ColdFire
2514 architectures that support ff1 instruction.
2516 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2517 Julian Brown <julian@codesourcery.com>
2519 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2520 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2521 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
2524 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2526 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2528 (output_move_const_into_data_reg, output_move_simode_const): Delete.
2529 * config/m68k/m68k.c (const_method, const_int_cost): Take a
2530 HOST_WIDE_INT instead of an rtx.
2531 (m68k_rtx_costs): Update call accordingly.
2532 (output_move_const_into_data_reg): Likewise. Fix formatting.
2533 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2535 (output_move_simode_const): Update calls after above changes.
2536 Rework to use automatic variables and predicates like MEM_P.
2537 * config/m68k/m68k.md (pushexthisi_const): Update call to
2540 2007-01-19 Dirk Mueller <dmueller@suse.de>
2542 * tree-ssa-alias.c (perform_var_substitution): Fix typo
2545 2007-01-19 Richard Guenther <rguenther@suse.de>
2547 * builtins.c (expand_builtin_cexpi): Fall back to expanding
2548 via cexp in case sincos is not available.
2550 2007-01-19 Richard Guenther <rguenther@suse.de>
2552 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2553 * defaults.h (TARGET_HAS_SINCOS): Default to off.
2554 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2555 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2556 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2557 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2558 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2559 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2561 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
2563 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2565 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2566 (atan2xf3): Directly generate RTL pattern.
2567 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2568 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
2569 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
2570 disable patterns for SSE math.
2571 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2572 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
2573 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
2574 disable patterns for SSE math.
2576 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
2578 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2580 2007-01-18 Roger Sayle <roger@eyesopen.com>
2582 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2583 VIEW_CONVERT_EXPR to the same type as it's operand.
2585 2007-01-18 David Edelsohn <edelsohn@gnu.org>
2587 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2588 configured for long double 128.
2590 2007-01-18 Mike Stump <mrs@apple.com>
2592 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2595 2007-01-18 Michael Meissner <michael.meissner@amd.com>
2597 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2600 2007-01-18 Jan Hubicka <jh@suse.cz>
2602 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2603 greater than NUM_VOP_FREE_BUCKETS.
2605 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
2607 * tree-ssa-structalias.c: Update comments.
2608 (ptabitmap_obstack): Removed.
2610 (oldpta_obstack): Ditto.
2611 (stats): Add a few members.
2612 (struct variable_info): Remove node, complex, address_taken, and
2613 indirect_target members. Add oldsolution member.
2614 (new_var_info): Do not initialize removed members.
2615 (constraint_expr_type): Remove INCLUDES.
2616 (constraint_graph): Add size, implicit_preds, rep,
2617 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2618 (FIRST_REF_NODE): New macro.
2619 (LAST_REF_NODE): Ditto.
2620 (FIRST_ADDR_NODE): Ditto.
2621 (find): New function.
2623 (dump_constraint): Do not handle INCLUDES.
2624 (insert_into_complex): Do not insert duplicate constraints.
2625 (condense_varmap_nodes): Renamed and rewritten into ...
2626 (merge_node_constraints): This. Also fix bug in handling of
2627 offseted copy constraints.
2628 (clear_edges_for_node): No longer need to deal with preds at all,
2629 or removing associated preds/succs.
2630 (merge_graph_nodes): Deal with indirect_cycles.
2631 Don't deal with predecessors.
2632 (add_implicit_graph_edge): New function.
2633 (add_pred_graph_edge): Ditto.
2634 (add_graph_edge): Don't deal with predecessors.
2635 (build_constraint_graph): Removed.
2636 (build_pred_graph): New function.
2637 (build_succ_graph): Ditto.
2638 (struct scc_info): Removed in_component. Added roots, dfs, and
2639 node_mapping. Remove visited_index, unification_queue.
2640 (scc_visit): Deal with union-find we do now.
2641 Deal with cycles with REF nodes.
2642 (collapse_nodes): Renamed and rewritten to ...
2643 (unify_nodes): This.
2644 (process_unification_queue): Removed.
2645 (topo_visit): Cleanup
2646 (do_da_constraint): Use find.
2647 (do_sd_constraint): Ditto.
2648 (do_ds_constraint): Ditto.
2649 (do_complex_constraint): Ditto.
2650 (init_scc_info): Update for removed and added members.
2651 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2652 (find_indirect_cycles): This.
2653 (equivalence_class): New variable.
2654 (label_visit): New function.
2655 (perform_variable_substitution): Rewritten.
2656 (free_var_substitution_info): New function.
2657 (find_equivalent_node): Ditto.
2658 (move_complex_constraints): Ditto.
2659 (eliminate_indirect_cycles): Ditto.
2660 (solve_graph): Only propagate changed bits.
2661 Use indirect cycle elimination.
2663 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2664 (tree_id_eq): Renamed to ...
2665 (tree_vi_eq): This. Update for member change
2666 (insert_id_for_tree): Renamed and rewritten to ...
2667 (insert_vi_for_tree): This.
2668 (lookup_id_for_tree): Renamed and rewritten to ...
2669 (lookup_vi_for_tree): This.
2670 (get_id_for_tree): Renamed and rewritten to ...
2671 (get_vi_for_tree): Ditto.
2672 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2673 (process_constraint): Don't handle INCLUDES.
2674 Remove special ADDRESSOF case.
2675 (find_func_aliases): Rewrite to use vi functions instead of id
2677 (create_function_info_for): Ditto.
2678 (create_variable_info_for): Ditto.
2679 (intra_create_variable_infos): Ditto.
2680 (merge_smts_into): Ditto.
2681 (find_what_p_points_to): Ditto.
2682 (init_base_vars): Ditto.
2683 (init_alias_vars): Ditto.
2684 (remove_preds_and_fake_succs): New function.
2685 (dump_sa_points_to_info): Dump new stats.
2686 (dump_solution_for_var): Use find.
2687 (set_used_smts): Fix formatting.
2688 (compute_points_to_sets): Updated for new functions.
2689 (ipa_pta_execute): Ditto.
2691 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
2692 Richard Sandiford <richard@codesourcery.com>
2694 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2696 * calls.c (expand_call): If the return value is a PARALLEL,
2697 extract its first member.
2698 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2699 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2700 use FUNCTION_EXTRA_EPILOGUE.
2701 (m68k_function_value): Return a PARALLEL if the return value
2702 is of a pointer type.
2703 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2704 (FUNCTION_EXTRA_EPILOGUE): Remove.
2705 * config/m68k/m68k.md (D0_REG): New constant.
2707 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
2709 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2710 output a NOP for empty epilogues.
2712 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2714 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2715 before function. Extend register save check to include all
2716 registers, not just integer ones.
2718 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
2720 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2721 (m68k_use_return_insn): ...this.
2722 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2723 * config/m68k/m68k.c (use_return_insn): Rename to...
2724 (m68k_use_return_insn): ...this.
2725 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
2728 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
2730 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
2731 nearest even, fix denormal rounding overflow.
2733 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2735 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
2736 f%$smove and f%$move.
2737 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
2738 (extendsfdf2_cf): Use fdmove instead of f%&move.
2739 (truncdfsf2_cf): Use fsmove instead of f%$smove.
2740 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
2742 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2744 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
2747 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2749 * real.h (real_format): Add a canonical_nan_lsbs_set field.
2750 (coldfire_single_format): Declare.
2751 (coldfire_double_format): Likewise.
2752 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
2753 of qnan_msb_set to determine the lower bits of a canonical
2755 (encode_ieee_double): Likewise.
2756 (encode_ieee_quad): Likewise.
2757 (ieee_single_format): Initialize canonical_nan_lsbs_set.
2758 (mips_single_format): Likewise.
2759 (ieee_double_format): Likewise.
2760 (mips_double_format): Likewise.
2761 (ieee_extended_motorola_format): Likewise.
2762 (ieee_extended_intel_96_format): Likewise.
2763 (ieee_extended_intel_128_format): Likewise.
2764 (ieee_extended_intel_96_round_53_format): Likewise.
2765 (ibm_extended_format): Likewise.
2766 (mips_extended_format): Likewise.
2767 (ieee_quad_format): Likewise.
2768 (mips_quad_format): Likewise.
2769 (vax_f_format): Likewise.
2770 (vax_d_format): Likewise.
2771 (vax_g_format): Likewise.
2772 (i370_single_format): Likewise.
2773 (i370_double_format): Likewise.
2774 (decimal_single_format): Likewise.
2775 (decimal_double_format): Likewise.
2776 (decimal_quad_format): Likewise.
2777 (c4x_single_format): Likewise.
2778 (c4x_extended_format): Likewise.
2779 (real_internal_format): Likewise.
2780 (coldfire_single_format): New real_format.
2781 (coldfire_double_format): Likewise.
2782 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
2783 canonical_nan_lsbs_set.
2784 (pdp11_d_format): Likewise.
2785 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
2786 if TARGET_COLDFIRE_CPU.
2788 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2790 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
2791 (output_call, m68k_legitimize_call_address): Declare.
2792 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
2793 parenthesees. Add support for a 'W' constraint.
2794 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
2795 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
2796 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
2797 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
2799 (override_options): Initialize them. Do not set flag_no_function_cse
2800 for TARGET_ID_SHARED_LIBRARY.
2801 (m68k_output_pic_call): Delete.
2802 (m68k_legitimize_call_address): New function.
2803 (print_operand): Remove the %o prefix. Handle the %p prefix.
2804 (output_call): New function.
2805 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
2806 target address from the GOT if symbolic jumps are not allowed.
2807 * config/m68k/m68k.md (call, general_operand): Do not set
2808 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
2809 Merge separate flag_pic and !flag_pic define_insns into...
2810 (*call, *call_value): ...these new patterns. Match the address
2811 rather than the containing MEM and require it to be a call_operand.
2812 Use output_call to generate the asm template.
2813 * config/m68k/predicates.md (const_call_operand): New predicate.
2814 (call_operand): Likewise.
2816 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
2818 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
2819 (STACK_GROWS_DOWNWARD): Define to 1.
2820 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
2821 comments, emphasizing that these values are only defaults.
2822 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
2823 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
2825 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2827 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
2829 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
2830 Richard Sandiford <richard@codesourcery.com>
2832 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
2833 (FP_REGNO_P): New macros.
2834 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
2835 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
2836 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
2837 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
2839 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
2841 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2842 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
2844 * config/m68k/t-floatlib: New file, extracting common code from...
2845 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2846 * config/m68k/t-uclinux: Here.
2847 * config/m68k/fpgnulib.c: Do not compile extendeed precision
2848 routines on ColdFire targets.
2850 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
2852 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2853 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
2854 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
2855 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
2856 explicitly set MOTOROLA to 1.
2857 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
2859 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2860 Nathan Sidwell <nathan@codesourcery.com>
2862 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
2863 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
2864 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
2865 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
2866 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
2867 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
2868 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
2869 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
2870 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
2871 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2872 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
2873 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
2874 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
2875 (DBX_REGISTER_NUMBER): Delete.
2876 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
2877 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2878 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
2880 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2882 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
2883 * config/flat.h: New file.
2884 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
2886 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
2887 indirect references for -msep-data or -mid-shared-library.
2888 Do not use PC-relative code addresses either.
2889 * config/m68k/m68k.c (override_options): Restrict -fPIC error
2891 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
2892 for shared libraries and crt1.o for executables. Use crti.o and
2894 (ENDFILE_SPEC): Use crtend.o and crtn.o.
2895 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
2896 Do not add -elf2flt or -shared-lib-id options here.
2897 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
2898 Pass -shared-lib-id if -mid-shared-library, taking the library
2899 identifier from -mshared-library-id if given, otherwise
2901 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
2902 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
2903 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
2904 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
2905 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
2906 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
2908 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
2909 jump sequence for ISA A and ISA A+.
2910 (PICJUMP): Likewise.
2912 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2914 * config.gcc (m68k-*-uclinux*): Base the port on the common
2915 and m68k GNU/Linux files rather than on the generic ELF ones.
2916 * config/m68k/uclinux.h (TARGET_VERSION): Override.
2917 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2919 2007-01-18 Julian Brown <julian@codesourcery.com>
2920 Richard Sandiford <richard@codesourcery.com>
2922 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
2923 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2924 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
2926 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
2928 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2930 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2932 * doc/install.texi: Document m68k-uclinuxoldabi.
2933 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
2934 * config/m68k/uclinux-oldabi.h: New file, copied from
2935 config/m68k/uclinux.h.
2937 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
2939 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
2940 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
2941 (m32r_compute_frame_size): Use unsigned for regno.
2942 (m32r_reload_lr): Use gen_frame_mem.
2944 (m32r_output_function_epilogue): Don't output the function epilogue
2946 (m32r_expand_epilogue): New.
2947 (direct_return): Return false if the function has the interrupt
2949 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
2950 * config/m32r/m32r.md (epilogue): New expander.
2951 (return_lr, return_rte): New insns.
2952 (return): Make it expander.
2953 (return_normal): New expander.
2955 2007-01-18 Josh Conner <jconner@apple.com>
2958 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
2959 support for UNLE, UNLT, UNGE, and UNGT.
2961 2007-01-18 Jan Hubicka <jh@suse.cz>
2963 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
2964 * tree-tailcall (add_virtual_phis): Likewise.
2965 (optimize_tail_call): Return TODOs.
2966 (execute_tail_calls): Return TODOs.
2967 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
2968 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
2970 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2971 Cleanup cfg using TODO.
2972 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
2973 * passes.c (execute_function_todo): When cleanup did something, remove
2975 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
2976 (make_edges): Don't cleanup_cfg.
2978 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
2980 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
2981 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
2982 operate on the top of stack.
2983 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
2984 register handling of instructions that output to the second
2986 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
2987 (move_for_stack_reg): Special-case check for dead destination
2988 stack slot for constant load of 1.0 inside UNSPEC_TAN.
2990 * config/i386/i386.md (UNSPEC_TAN): New constant.
2991 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
2992 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
2993 to correctly model move of constant 1.0 to top stack slot.
2994 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
2995 (unnamed peephole2 pattern): Remove corresponding peephole2
2996 pattern that optimizes tan insn and loading of constant 1.0.
2997 (tanxf2): Use fptanxf4_i387.
2998 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
2999 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
3000 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
3001 disable patterns for SSE math.
3002 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
3003 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
3005 2007-01-18 Dirk Mueller <dmueller@suse.de>
3006 Richard Guenther <rguenther@suse.de>
3009 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
3010 * common.opt (Warray-bounds): Add new warning option.
3011 * c-opts.c (c_common_handle_option): Define -Warray-bounds
3013 * Makefile.in: make tree-vrp.o depend on toplev.h
3014 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
3016 (check_array_refs, check_array_bounds, check_array_ref): New.
3018 2007-01-18 Jan Hubicka <jh@suse.cz>
3020 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
3021 (execute_ssa_ccp): Return flags conditionally.
3022 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
3024 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
3026 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
3028 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
3029 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
3031 * Makefile.c (GTFILES): Add cfglayout.h.
3032 * gengtype.c (open_base_files): Likewise.
3033 * cfglayout.c (cfg_layout_function_footer,
3034 cfg_layout_function_header) Reindent to make gengtype happy.
3035 * cfglayout.h (cfg_layout_function_footer,
3036 cfg_layout_function_header): Add GTY(()) marker.
3038 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
3040 2007-01-18 Ben Elliston <bje@au.ibm.com>
3042 * genautomata.c (write_automata): Include xstrerror output in the
3043 error message if writing the DFA description file fails.
3045 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
3047 * config/mips/mips-protos.h (mips_output_external): Make it
3049 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
3050 * config/mips/mips.c (irix_output_external_libcall): Likewise.
3051 (extern_list): Likewise.
3052 (extern_head): Likewise.
3053 (TARGET_ASM_FILE_END): Likewise.
3054 (mips_file_end): Likewise.
3055 (mips_output_external): Rewritten.
3057 2007-01-18 Ben Elliston <bje@au.ibm.com>
3059 * genpreds.c (write_insn_preds_c): Only write out the function
3060 body for regclass_for_constraint if we have register constraints.
3062 2007-01-17 Tom Tromey <tromey@redhat.com>
3064 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
3065 * doc/install.texi (Testing): Use sourceware.org.
3066 (Binaries): Likewise.
3067 (Specific): Likewise.
3068 * doc/contrib.texi (Contributors): Use sourceware.org.
3070 2007-01-17 Anatoly Sokolov <aesok@post.ru>
3072 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
3073 (AVR_ENHANCED): Rename to ...
3074 (AVR_HAVE_MUL): ... new.
3075 (avr_enhanced_p): Rename to ...
3076 (avr_have_mul_p): ... new.
3077 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
3078 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
3079 * config/avr/avr.c (avr_enhanced_p): Rename to ...
3080 (avr_have_mul_p): ... new.
3081 (base_arch_s): Rename 'enhanced' to 'have_mul'.
3082 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
3083 'avr_enhanced_p' and 'enhanced'.
3084 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
3085 AVR_HAVE_MUL instead of AVR_ENHANCED.
3086 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3087 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
3088 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
3089 instead of AVR_ENHANCED.
3090 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3091 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
3092 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
3094 2007-01-17 Ian Lance Taylor <iant@google.com>
3096 * vec.h (VEC_reserve_exact): Define.
3097 (vec_gc_p_reserve_exact): Declare.
3098 (vec_gc_o_reserve_exact): Declare.
3099 (vec_heap_p_reserve_exact): Declare.
3100 (vec_heap_o_reserve_exact): Declare.
3101 (VEC_OP (T,A,reserve_exact)): New static inline function, three
3103 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
3105 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
3106 (VEC_OP (T,A,copy)) [all versions]: Likewise.
3107 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
3108 * vec.c (calculate_allocation): Add exact parameter. Change all
3110 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
3111 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
3112 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
3113 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
3114 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
3115 (vec_heap_p_reserve_exact): New function.
3116 (vec_heap_o_reserve_exact): New function.
3118 2007-01-17 Jan Hubicka <jh@suse.cz>
3120 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
3122 2007-01-17 Eric Christopher <echristo@apple.com>
3124 * config.gcc: Support core2 processor.
3126 2007-01-16 Jan Hubicka <jh@suse.cz>
3128 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
3129 the names, just unlink the chain so we don't crash on dangling pointers
3132 2007-01-16 Jan Hubicka <jh@suse.cz>
3134 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
3135 * tree-pass.h: Reorder to make IPA passes appear toegher.
3136 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
3137 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
3138 parameters, do not call early inliner.
3139 * ipa-inline.c: Update comments. Include tree-flow.h
3140 (cgraph_decide_inlining): Do not compute inlining parameters.
3141 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
3142 be called with function context set up.
3143 (pass_ipa_inline): Remove unreachable functions before pass.
3144 (cgraph_early_inlining): Simplify assuming to be called from the
3146 (pass_early_inline): New pass.
3147 (cgraph_gate_ipa_early_inlining): New gate.
3148 (pass_ipa_early_inline): Turn into simple wrapper.
3149 (compute_inline_parameters): New function.
3150 (gate_inline_passes): New gate.
3151 (pass_inline_parameters): New pass.
3152 (apply_inline): Move here from tree-optimize.c
3153 (pass_apply_inline): New pass.
3154 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
3156 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
3158 (tree_function_versioning): Do not allocate dummy struct function.
3159 * tree-inline.h (optimize_inline_calls): Update prototype.
3160 * tree-optimize.c (execute_fixup_cfg): Export.
3161 (pass_fixup_cfg): Remove
3162 (tree_rest_of_compilation): Do not apply inlines.
3163 * tree-flow.h (execute_fixup_cfg): Declare.
3164 * Makefile.in (gt-passes.c): New.
3165 * passes.c: Include gt-passes.h
3166 (init_optimization_passes): New passes.
3167 (nnodes, order): New static vars.
3168 (do_per_function_toporder): New function.
3169 (execute_one_pass): Dump current pass here.
3170 (execute_ipa_pass_list): Don't dump current pass here.
3172 2007-01-16 Janis Johnson <janis187@us.ibm.com>
3174 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
3175 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
3177 2007-01-16 David Edelsohn <edelsohn@gnu.org>
3179 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
3180 (strong_alias): Define.
3181 (__gcc_qmul): Provide non-FMA for soft-float.
3187 (__gcc_qunord): New.
3197 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
3198 soft-float functions.
3199 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
3200 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
3201 about long double soft float.
3203 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
3204 Tehila Meyzels <tehila@il.ibm.com>
3206 * tree-vectorizer.h (is_pattern_stmt_p): New.
3207 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
3208 formatting (tabs instead of spaces). Cleanup and clarify setting
3209 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
3210 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
3211 (vectorizable_type_demotion): Check that types are integral.
3212 (vectorizable_type_promotion): Likewise.
3213 (vectorizable_store): Fix typo. Eliminate new-line at end of
3216 2007-01-16 Jan Hubicka <jh@suse.cz>
3218 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
3221 2007-01-15 Eric Christopher <echristo@apple.com>
3223 * ifcvt.c: Include vec.h, vecprim.h.
3224 (check_cond_move_block): New argument regs.
3225 Reorganize. Add registers used to regs.
3226 (cond_move_process_if_block): Use regs set above as
3229 2007-01-15 Eric Christopher <echristo@apple.com>
3231 * config/darwin.h: Update copyright.
3232 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
3233 (LINK_COMMAND_SPEC): Add -u.
3234 (LINK_SPEC): Fix umbrella for above.
3236 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
3238 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
3241 2007-01-15 Tom Tromey <tromey@redhat.com>
3243 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
3244 * doc/install.texi (Testing): Don't mention jacks.
3245 (Configuration): Document --enable-java-maintainer-mode. Move
3246 --with-java-home to libgcj-specific section. Document
3248 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
3250 2007-01-15 Jan Hubicka <jh@suse.cz>
3252 * tree-ssa-dce.c (DCE_TODOs): New.
3253 (propagate_necessity): Return if something changed.
3254 (eliminate_unnecessary_stmts): Likewise.
3255 (perform_tree_ssa_dce): Return TODO flags when needed.
3256 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
3258 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
3260 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
3261 (fyl2x_extend<mode>xf3_i387): New insn pattern.
3262 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
3263 patterns using X87MODEF12 mode macro. Extend operand 1
3264 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3265 (log10<mode>2): Ditto.
3266 (log2<mode>2): Ditto.
3267 (log1p<mode>2): Ditto.
3268 (logb<mode>2): Ditto.
3269 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
3270 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
3271 (*fxtractxf3_i387): Rename from *fxtractxf3.
3272 (fxtract_extend<mode>xf3_i387): New insn pattern.
3273 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
3274 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
3275 and gen_fyl2xxf3_i387().
3277 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3279 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
3280 * cfgloopmanip.c (fix_loop_placement): Made static. Use
3281 get_loop_exit_edges. Changed return type to bool.
3282 * cfgloop.h (fix_loop_placement): Declaration removed.
3284 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
3286 * param.h (MIN_VECT_LOOP_BOUND): New.
3287 * params.def (MIN_VECT_LOOP_BOUND): New.
3288 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
3289 argument - minimum threshold for number of iterations.
3290 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
3291 argument to declaration.
3292 * tree-vect-analyze.c (vect_analyze_operations): Check value of
3293 MIN_VECT_LOOP_BOUND.
3294 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
3295 slpeel_tree_peel_loop_to_edge with additional argument.
3296 (vect_do_peeling_for_alignment): Likewise.
3297 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
3299 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
3302 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
3305 2007-01-14 Jan Hubicka <jh@suse.cz>
3307 * tree-dfa.c (remove_referenced_var): New function.
3308 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
3309 prune referenced vars list too.
3310 * tree-flow.h (remove_referenced_var): Declare.
3312 2007-01-14 Jan Hubicka <jh@suse.cz>
3314 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
3316 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
3317 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
3318 * except.h (verify_eh_throw_table_statements): Kill prototype.
3319 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
3320 into call exrepssions.
3321 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
3323 * tree-cfg.c: Include pointer-set.h.
3324 (verify_node_sharing): Work on pointer set.
3325 (verify_eh_throw_stmt_node): New.
3326 (verify_stmts): Use pointers sets, verify throw_stmt.
3328 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
3330 * ipa-reference.c (analyze_function): Consider also addresses taken
3333 2007-01-12 Roger Sayle <roger@eyesopen.com>
3335 * c-typeck.c (null_pointer_constant_p): Replace use of
3336 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3337 (build_c_cast): Likewise.
3339 2007-01-12 Roger Sayle <roger@eyesopen.com>
3341 * tree.h (force_fit_type_double): Remove unused final argument.
3342 * c-common.c (constant_expression_warning): Replace use of
3343 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3344 (convert_and_check): Likewise.
3345 (shorten_compare): Update call to force_fit_type_double.
3346 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
3347 * convert.c (convert_to_pointer): Update call to
3348 force_fit_type_double.
3349 * fold-const.c (force_fit_type_double): Remove overflowed_const
3351 (int_const_binop, fold_convert_const_int_from_int,
3352 fold_convert_const_int_from_real, fold_div_compare,
3353 fold_sign_changed_comparison, fold_unary, fold_negate_const,
3354 fold_abs_const, fold_not_const): Remove the final argument from
3355 calls to force_fit_type_double.
3357 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
3359 * configure.ac: Set insn to "nop" for spu-*-* also.
3360 * configure: Regenerate.
3362 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
3364 * builtins.def : Add BUILT_IN_FREE.
3366 2007-01-12 Jan Hubicka <jh@suse.cz>
3368 PR tree-optimization/30443
3369 * tree-inline.c (tree_function_versioning): Do not optimize when
3370 cloning for inlining.
3372 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
3374 * doc/loop.texi: Document recording of loop exits.
3375 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
3376 (update_single_exits_after_duplication,
3377 update_single_exit_for_duplicated_loop,
3378 update_single_exit_for_duplicated_loops): Removed.
3379 (duplicate_loop_to_header_edge): Do not call
3380 update_single_exits_after_duplication and
3381 update_single_exit_for_duplicated_loops.
3382 (loop_version): Do not update single_exit information.
3383 (fix_loop_structure): Use record_loop_exits instead of
3384 mark_single_exit_loops.
3385 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
3386 the lists of loop exits.
3387 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
3388 split_edge, merge_blocks): Update the lists of loop exits.
3389 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
3390 loop_optimizer_init.
3391 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
3392 of mark_single_exit_loops.
3393 (loop_optimizer_finalize): Call release_recorded_exits.
3394 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
3395 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
3396 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
3397 update single exit information.
3398 * lambda-code.c (perfect_nestify): Ditto.
3399 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
3400 (mark_single_exit_loops): Removed.
3401 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
3402 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
3403 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
3405 (get_loop_exit_edges, single_exit): Use recorded exit lists.
3406 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
3407 (verify_loop_structure): Verify consistency of the exit lists.
3408 (flow_loops_find): Use alloc_loop. Initialize exits hash.
3409 (set_single_exit): Removed.
3410 * cfgloop.h (struct loop_exit): New function.
3411 (struct loop): single_exit_ field replaced by exits field.
3412 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
3413 (struct loops): Added exits hash.
3414 (mark_single_exit_loops, set_single_exit): Declaration removed.
3415 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
3417 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3419 * doc/invoke.texi: Avoid use of @headitem.
3421 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3423 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
3425 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3427 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
3430 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
3431 Richard Sandiford <richard@codesourcery.com>
3433 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
3434 * config/m68k/m68k.opt: Resort options.
3435 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
3437 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
3438 Richard Sandiford <richard@codesourcery.com>
3440 * doc/invoke.texi: Document the macros that are defined by
3441 m68k's -mtune and -mhard-float options.
3442 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
3443 (m68k_cpp_cpu_family): Likewise.
3444 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
3445 of __ucfv*__ macros. Define __mcffpu__ if generating code for
3446 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
3447 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
3448 (m68k_cpp_cpu_family): Likewise.
3450 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3452 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
3453 macros besides mc68000 as tuning macros. Use a switch statement
3454 to set them and mcpu32.
3456 2007-01-12 Julian Brown <julian@codesourcery.com>
3458 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
3459 (TARGET_68040_ONLY): Rename to...
3460 (TARGET_68040): ...this.
3461 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
3462 * config/m68k/m68k.md: Likewise.
3464 2007-01-12 Julian Brown <julian@codesourcery.com>
3465 Nathan Sidwell <nathan@codesourcery.com>
3466 Richard Sandiford <richard@codesourcery.com>
3468 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
3469 the -mcpu= argument associated with the --with-cpu setting.
3470 Define M68K_DEFAULT_TUNE to the default -mtune= option,
3471 if different from the one implied by the -mcpu setting.
3472 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
3473 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
3474 * doc/invoke.texi: Mention ColdFire in the introduction to the
3475 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
3476 -mno-div and -mhard-float options. Make -m68881 a synonym for
3477 -mhard-float. Document the previously-undocumented -m5206e,
3478 -m528x, -m5307 and -m5407 options. Tweak the existing option
3479 documentation for consistency.
3480 * doc/install.texi: Mention new --with-cpu arguments.
3481 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
3482 default CPU if neither -mcpu nor -march are specified.
3483 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
3484 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
3485 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
3486 using m68k_tune to decide between families that implement the
3487 same ISA. Use m68k_tune to set __mcfv4e__.
3488 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
3489 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
3490 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
3491 (FL_ISA_C, FL_ISA_MMU): New macros.
3492 (MASK_COLDFIRE): Delete.
3493 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
3494 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
3495 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
3496 (TARGET_HARD_FLOAT): Do not define here.
3497 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
3498 (TUNE_68000): New macro.
3499 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
3500 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
3501 (TUNE_CFV2): Redefine in terms of m68k_tune.
3502 (uarch_type, target_device, fpu_type): New enums.
3503 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
3504 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
3505 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
3506 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
3507 (FL_FOR_isa_c): New macros.
3508 (m68k_isa): New enum.
3509 (m68k_target_selection): New structure.
3510 (all_devices, all_isas, all_microarchs): New tables.
3511 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
3512 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
3513 (MASK_ALL_CPU_BITS): Delete.
3514 (m68k_find_selection): New function.
3515 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
3516 Map the legacy target options to a combination of the new ones.
3517 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
3518 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
3519 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
3521 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
3522 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
3524 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
3525 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
3526 * config/m68k/m68k-devices.def: New file.
3528 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3529 Nathan Sidwell <nathan@codesourcery.com>
3531 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
3532 (SUBTARGET_EXTRA_SPECS): New macros.
3533 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
3534 use %(asm_cpu_spec) instead.
3535 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
3536 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
3537 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
3538 (EXTRA_SPECS): Rename to...
3539 (SUBTARGET_EXTRA_SPECS): ...this.
3541 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
3542 Richard Sandiford <richard@codesourcery.com>
3543 Julian Brown <julian@codesourcery.com>
3545 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3546 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
3547 to the configuration's default CPU.
3548 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
3549 Remove default masks.
3550 (m680[012]0-*-*): Set the default with_cpu to the first part of
3552 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
3553 (m68k*-*-linux): Extend the --with-cpu handling to...
3554 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
3555 and m68010. Don't set target_cpu_default2.
3556 * doc/install.texi: Document --with-cpu for m68k.
3557 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
3558 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
3559 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
3560 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
3561 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
3562 (ASM_SPEC): Remove use of %(asm_cpu_default).
3563 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
3564 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
3565 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
3566 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
3567 __HAVE_FPU__ if TARGET_HARD_FLOAT.
3568 (TARGET_DEFAULT): Delete.
3569 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
3570 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
3571 (CPP_CPU_SPEC): Delete.
3572 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
3573 the appropriate string.
3574 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
3575 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
3576 (ASM_SPEC): Don't use %(asm_default_spec).
3577 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3578 TARGET_DEFAULT and add MASK_68881.
3579 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
3581 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3583 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
3584 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
3585 MASK_68010 alongside MASK_68020.
3586 * doc/invoke.texi: Document -m68010.
3587 * config/m68k/m68k.opt (m68010): New.
3588 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
3590 (TUNE_68010): New macro.
3591 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
3592 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
3593 (M68K_CPU_m68332): Add MASK_68010.
3594 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
3595 fallback definition.
3596 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
3598 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
3599 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
3600 to all entries that use MASK_68020.
3601 (output_move_simode_const, output_move_himode, output_move_qimode)
3602 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
3603 instead of TARGET_68020 to select clr behavior. Remove comment
3604 about there being no TARGET_68010.
3605 * config/m68k/m68k.md: Likewise throughout.
3607 2007-01-12 Julian Brown <julian@codesourcery.com>
3609 * config/m68k/m68k.h (TARGET_ISAB): New macro.
3610 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
3611 * config/m68k/m68k.md: Likewise.
3613 2007-01-12 Julian Brown <julian@codesourcery.com>
3615 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
3616 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
3618 2007-01-12 Julian Brown <julian@codesourcery.com>
3620 * config/m68k/m68k.h (TUNE_68040_60): New macro.
3621 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
3622 * config/m68k/m68k.md: Likewise.
3624 2007-01-12 Julian Brown <julian@codesourcery.com>
3625 Richard Sandiford <richard@codesourcery.com>
3627 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
3628 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
3629 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
3631 (TARGET_CPU32): Rename to...
3632 (TUNE_CPU32): ...this.
3633 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
3634 (TUNE_CFV2): New macros.
3635 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
3636 remove conditions that are implied by TARGET_68020.
3637 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
3638 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
3639 (m68k_output_function_epilogue): Likewise.
3640 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
3641 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
3642 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
3643 non-68000 timings. Refactor multiplication and division costs.
3644 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
3645 TUNE_CPU32 instead of TARGET_CPU32.
3646 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
3647 and TUNE_68060 instead of TARGET_68060.
3648 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
3649 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
3651 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
3652 && !TARGET_COLDFIRE" to choose between moveq and clr.
3653 Likewise in the unnamed movsf pattern.
3654 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
3655 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
3658 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3660 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
3661 of tabbing before backslashes.
3663 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3665 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
3666 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
3667 (ASM_OUTPUT_INTERNAL_LABEL): Define.
3669 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3671 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
3672 find_interesting_uses_cond.
3673 (find_interesting_uses_cond): Use extract_cond_operands.
3674 (rewrite_use_compare): Use extract_cond_operands and
3675 force_gimple_operand_bsi. Do not call update_stmt.
3676 (determine_use_iv_cost_condition): Use extract_cond_operands.
3677 Return cheaper of using original bound and changing the exit bound.
3679 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3681 PR tree-optimization/29516
3682 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
3683 most_expensive_mult_to_index, addr_to_parts,
3684 create_mem_ref, maybe_fold_tmr): Make the type of
3685 fields of TARGET_MEM_REF sizetype.
3686 (move_fixed_address_to_symbol, move_pointer_to_base):
3688 * tree.def (TARGET_MEM_REF): Add comment on types of
3691 2007-01-11 Joseph Myers <joseph@codesourcery.com>
3693 * c-common.c (vector_types_convertible_p): Treat opaque types as
3694 always convertible if they have the same size, but not otherwise.
3696 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
3698 * ifcvt.c (struct noce_if_info): Add comments to the fields.
3699 Remove the b_unconditional field.
3700 (noce_try_sign_mask): Do not look at b_unconditional.
3701 (noce_process_if_block): Do not use merge_if_blocks. Update
3702 the CFG here. Do not set b_unconditional.
3703 (cond_move_process_if_block): Likewise.
3704 (find_cond_trap): Likewise.
3705 (check_cond_move_block): Require simple jump insns at the end
3708 2007-01-11 Jan Hubicka <jh@suse.cz>
3710 PR tree-optimization/1046
3711 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
3712 when alias info is not ready.
3713 (pass_tail_recursion): Do not require aliasing.
3714 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
3715 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
3716 * tree-ssa-copy.c (pass_copy_prop): Likewise.
3717 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3718 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
3719 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
3720 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
3722 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
3723 When aliasing is not build, mark statement as volatile.
3725 2007-01-11 Tom Tromey <tromey@redhat.com>
3727 PR preprocessor/15185, PR preprocessor/20989:
3728 * doc/cppopts.texi <-MT>: Update description of algorithm for
3729 computing default target.
3730 <-M, -MD>: Reword "basename" text.
3732 2007-01-11 Roger Sayle <roger@eyesopen.com>
3734 * builtins.c (expand_builtin_pow, expand_builtin_powi,
3735 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
3736 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3737 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
3738 fold_builtin_bswap, real_constp, fold_builtin_pow,
3739 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
3740 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
3741 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3742 * convert.c (convert_to_pointer): Likewise.
3743 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3744 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
3745 const_binop, fold_convert_const_int_from_int,
3746 fold_convert_const_int_from_real,
3747 fold_convert_const_real_from_real, sign_bit_p,
3748 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
3749 fold_sign_changed_comparison, fold_unary, fold_comparison,
3750 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
3751 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3752 * print-tree.c (print_node_brief, print_node): Likewise.
3753 * stor-layout.c (place_field, layout_type): Likewise.
3754 * tree-chrec.c (keep_cast): Likewise.
3755 * tree.c (build_vector, build_real, build_real_from_int_cst,
3756 build_complex): Likewise.
3758 2007-01-11 Roger Sayle <roger@eyesopen.com>
3760 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
3761 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
3763 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
3765 * configure.ac (strict1_warn): Rename to strict_warn.
3766 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
3767 cc_set_by_configure, quoted_cc_set_by_configure,
3768 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
3769 all_boot_languages, all_stagestuff): Remove.
3770 (target_list): Remove bootstrap targets.
3771 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
3772 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
3773 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
3774 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
3775 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
3776 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
3777 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
3778 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
3779 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
3780 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
3781 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
3782 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
3783 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
3784 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
3785 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
3786 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
3787 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
3788 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
3789 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
3790 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
3791 (mostlyclean): Adjust.
3792 (clean, distclean): Don't mention bootstrap stuff.
3793 * configure: Regenerate.
3794 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
3795 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
3796 treelang/config-lang.in (stagestuff): Remove.
3797 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
3798 stageprofile, stagefeedback, stagestuff): Remove mention.
3800 2007-01-11 Nick Clifton <nickc@redhat.com>
3802 * config/mcore/predicates.md (mcore_general_movesrc_operand):
3804 (mcore_general_movdst_operand): Do not accept CONST_INTs.
3805 (mcore_arith_K_S_operand): Run the test for the S constraint not
3806 the test for the M constraint.
3807 (mcore_addsub_operand): Do not accept integer values that are
3808 larger than 32 bits.
3809 * config/mcore/mcore.md: Remove unused constraints from split.
3810 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
3812 (allocate_stack): Likewise.
3813 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
3814 operands to 32 bits.
3815 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
3817 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
3818 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
3819 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
3820 mcore_output_bclri, mcore_output_andn, output_inline_const,
3821 mcore_output_move, mcore_output_movedouble): Likewise.
3822 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
3823 (output_inline_const): Likewise.
3824 (output_inline_const): Fix format strings used in sprintf
3826 * config/mcore/mcore-protos.h: Update prototypes for changed
3827 functions in mcore.c.
3828 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
3829 HOST_WIDE_INT and not int.
3830 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
3831 CONST_OK_FOR_N): Likewise.
3832 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
3833 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
3836 2007-01-10 Jan Hubicka <jh@suse.cz>
3838 * tree-vrp.c (remove_range_assertions): Release defs.
3839 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
3840 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
3842 2007-01-10 Paul Brook <paul@codesourcery.com>
3844 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
3845 * config/arm/arm.md (mulsi3subsi): New insn.
3847 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
3849 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
3850 (tree_transform_and_unroll_loop): New.
3851 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
3854 2007-01-10 Robert Kennedy <jimbob@google.com>
3856 * fold-const.c (fold_comparison): Fold comparisons like (x *
3857 1000 < 0) to (x < 0).
3859 2007-01-10 Ian Lance Taylor <iant@google.com>
3861 * tree-pretty-print.c (dump_generic_node): Print parentheses when
3862 operands have the same priority.
3864 2007-01-10 Tom Tromey <tromey@redhat.com>
3866 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
3867 (fold_binary): Likewise.
3868 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
3869 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
3870 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
3871 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
3872 * langhooks.h (struct lang_hooks): Removed field
3873 'can_use_bit_fields_p'.
3875 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
3877 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
3879 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
3881 * function.c (get_last_funcdef_no): New function.
3882 * function.h (get_last_funcdef_no): Declare.
3883 * tree-inline.c (initialize_cfun): Add initialization.
3884 (tree_function_versioning): Cleanup.
3886 2007-01-10 Jan Hubicka <jh@suse.cz>
3888 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
3891 2007-01-10 Sa Liu <saliu@de.ibm.com>
3892 Ben Elliston <bje@au.ibm.com>
3894 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
3895 for SAVE_NONLOCAL and Pmode for any other save level.
3896 * spu-protos.h (spu_restore_stack_block): Declare.
3897 * spu.md (save_stack_block): Remove.
3898 (restore_stack_block): Call spu_restore_stack_block.
3899 * spu.c (spu_restore_stack_block): New function.
3900 (spu_expand_epilogue): Remove old comment.
3902 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
3904 PR tree-optimization/30322
3905 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
3906 (cand_value_at): Return the value as aff_tree.
3907 (may_eliminate_iv): Convert the bound from aff_tree to tree.
3908 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
3909 aff_combination_mult): New functions.
3910 (aff_combination_add): Use aff_combination_add_cst.
3911 (aff_combination_convert): Allow conversions to a wider type.
3912 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
3913 * tree-affine.h (aff_combination_mult): Declare.
3915 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
3917 * doc/tm.texi: Update documentation to reflect reality of exec
3918 and start file search behaviours. Update copyright year.
3919 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
3920 header file directories.
3922 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
3924 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
3925 (*cosxf2): Rename to cosxf2_i387.
3926 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
3927 using X87MODEF12 mode macro. Rename patterns to
3928 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
3930 (*cosdf2, *cossf2): Ditto.
3931 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
3932 to match extended input operands.
3933 (sincos<mode>3): New expander.
3934 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
3935 insn patterns and corresponding splitters.
3937 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
3939 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
3940 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
3942 2007-01-09 Nicolas Pitre <nico@cam.org>
3945 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
3947 2007-01-08 Geoffrey Keating <geoffk@apple.com>
3949 * target.h (struct gcc_target): New field library_rtti_comdat.
3950 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
3951 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
3952 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
3953 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
3955 2007-01-08 Geoffrey Keating <geoffk@apple.com>
3957 * doc/invoke.texi (Optimize Options): Correct description of -O0.
3959 2007-01-08 Richard Guenther <rguenther@suse.de>
3961 * tree.h (force_fit_type_double): Export.
3962 (force_fit_type): Remove.
3963 * fold-const.c (force_fit_type_double): New function.
3964 (force_fit_type): Remove.
3965 (int_const_binop): Use it.
3966 (fold_convert_const_int_from_int): Likewise.
3967 (fold_convert_const_int_from_real): Likewise.
3968 (fold_div_compare): Likewise.
3969 (fold_sign_changed_comparison): Likewise.
3970 (fold_unary): Likewise.
3971 (fold_negate_const): Likewise.
3972 (fold_abs_const): Likewise.
3973 (fold_not_const): Likewise.
3974 * c-common.c (shorten_compare): Use force_fit_type_double.
3975 * convert.c (convert_to_pointer): Likewise.
3977 2007-01-08 Richard Guenther <rguenther@suse.de>
3979 * tree.h (build_int_cst_wide_type): Export.
3980 * tree.c (build_int_cst_wide_type): New function.
3981 (build_int_cst_wide): Fix comment.
3982 * builtins.c (fold_builtin_object_size): Use build_int_cst
3983 to build -1 or 0 of the correct type. Use fit_double_type
3984 to check for overflow.
3985 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
3987 (decode_field_reference): Likewise.
3988 (all_ones_mask_p): Likewise.
3989 (native_interpret_int): Use build_int_cst_wide_type.
3990 (fold_binary): Use build_int_cst_type to build an all-ones
3992 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
3994 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
3996 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
3998 2007-01-09 Ben Elliston <bje@au.ibm.com>
4000 * genautomata.c (STATS_OPTION): New option.
4001 (stats_flag): New flag.
4002 (gen_automata_option): Handle it.
4003 (initiate_automaton_gen): Ditto.
4004 (write_automata): Output statistics only if stats_flag is
4005 set. Likewise, output time statistics only if time_flag is set.
4006 * doc/md.texi (Processor pipeline description): Document new flag.
4008 2007-01-08 Richard Guenther <rguenther@suse.de>
4010 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
4011 * tree.c (build_int_cst_type): Likewise.
4012 (size_in_bytes): Don't call force_fit_type on the result.
4013 (int_fits_type_p): Use fit_double_type.
4014 * fold-const.c (fit_double_type): New function.
4015 (force_fit_type): Use it.
4016 * tree.h (fit_double_type): Export.
4018 2007-01-08 Jan Hubicka <jh@suse.cz>
4020 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
4021 * ipa.c (function_and_variable_visibility): Fix return type.
4023 2007-01-08 Richard Guenther <rguenther@suse.de>
4025 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
4026 of offset to build the index.
4027 * tree-pretty-print.c (dump_generic_node): Don't build negated
4028 const just for printing.
4029 * c-pretty-print.c (pp_c_integer_constant): Likewise.
4030 * builtins.c (fold_builtin_int_roundingfn): Check if result
4031 fits the type by using force_fit_type and comparing the result.
4032 * predict.c (predict_loops): Use compare_tree_int for comparison.
4033 * tree.c (build_int_cst): Fall back to integer_type_node for
4035 (build_int_cst_wide): Assert type is non-null.
4037 2007-01-08 Roberto Costa <roberto.costa@st.com>
4039 * tree-vrp.c (extract_range_from_cond_expr): New.
4040 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
4041 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
4043 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
4044 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
4045 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
4046 used as expressions.
4047 * tree-object-size.c (cond_expr_object_size): New.
4048 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
4050 2007-01-08 Jan Hubicka <jh@suse.cz>
4052 * tree-ssa-forwprop.c (forward_propagate_into_cond,
4053 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
4056 2007-01-08 Richard Guenther <rguenther@suse.de>
4058 PR tree-optimization/23603
4059 * tree-vrp.c (set_value_range_to_truthvalue): New function.
4060 (extract_range_from_binary): Fall back to truthvalue instead of
4061 varying for TRUTH_*_EXPR.
4062 (extract_range_from_comparison): Fall back to truthvalue instead of
4064 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
4065 if all visited PHI values were constant.
4067 2007-01-08 Jan Hubicka <jh@suse.cz>
4069 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
4070 (cgraph_analyze_function): break out from ...
4071 (cgraph_finalize_compilation_unit): ... here.
4072 (cgraph_expand_function): Remove forgoten commented out line.
4073 (cgraph_optimize): Analyze functions.
4075 2007-01-08 Jan Hubicka <jh@suse.cz>
4077 * tree-pas.h (TODO_remove_function): New flag.
4078 (TODO_update*): Renumber.
4079 (pass_ipa_increase_alignment,
4080 pass_ipa_function_and_variable_visibility): New passes.
4081 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
4082 (cgraph_function_and_variable_visibility): Move to ipa.c
4083 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
4084 cgraph_increase_alignment.
4085 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
4086 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
4087 calling tree-inline.
4088 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
4089 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
4090 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
4091 (gate_increase_alignment): New function.
4092 (pass_ipa_increase_alignment): New pass.
4093 * ipa.c: Inline tree-pass.h and timevar.h
4094 (function_and_variable_visibility): Move here from cgraphunit.c
4095 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
4096 * passes.c (init_optimization_passes): Add the two new passes.
4097 (execute_todo): Handle cgraph_remove_functions.
4099 2007-01-08 Nick Clifton <nickc@redhat.com>
4101 * config/frv/predicates.md (reg_or_0_operand): Accept
4104 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
4106 * config/bfin/rtems.h, config/bfin/t-rtems: New.
4107 * config.gcc: Add bfin*-rtems*.
4109 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
4111 * c.opt: Add -flax-vector-conversions.
4112 * c-typeck.c (convert_for_assignment): Pass flag to
4113 vector_types_convertible_p to allow emission of note.
4114 (digest_init): Likewise.
4115 * c-opts.c: Handle -flax-vector-conversions.
4116 * c-common.c (flag_lax_vector_conversions): New.
4117 (vector_types_convertible_p): Unless -flax-vector conversions
4118 has been passed, disallow conversions between vectors with
4119 differing numbers of subparts and/or element types. If such
4120 a conversion is disallowed, possibly emit a note on the first
4121 occasion only to inform the user of -flax-vector-conversions.
4122 The new last argument specifies this.
4123 * c-common.h (flag_lax_vector_conversions): New.
4124 (vector_types_convertible_p): Add extra argument.
4125 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
4126 char_type_node for V*QI type vectors.
4127 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
4128 Update to satisfy new typechecking rules.
4129 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
4131 * doc/invoke.texi (C Dialect Options): Document
4132 -flax-vector-conversions.
4134 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
4136 PR tree-optimization/29877
4137 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
4138 a register variable on the RHS to not be replaceable.
4140 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
4141 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
4142 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
4143 const_simm15, const_pow2, const_npow2): Added.
4144 * config/score/misc.md (insv, extv, extzv, movmemsi,
4145 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
4146 * config/score/score.c (score_address_cost, score_select_cc_mode):
4148 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
4149 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
4150 Update score_print_operand.
4151 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
4152 Adjust register allocate order and update some macro define.
4153 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
4154 mdx_block_move_straight, mdx_block_move_loop_head,
4155 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
4156 mdx_block_move): Added.
4157 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
4158 mdp_limm): Updated and fix some bug and typo.
4159 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
4160 (movsf, movdf, doloop_end): Added.
4162 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
4164 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
4165 config/arm/thumb2.md: Fix comment typos.
4166 * doc/extend.texi: Fix a typo.
4168 2007-01-07 Eric Christopher <echristo@apple.com>
4170 * configure.ac: Check for __stack_chk_fail for darwin.
4171 * configure: Regenerate.
4173 2007-01-07 Richard Guenther <rguenther@suse.de>
4175 * tree-vrp.c (extract_range_from_assert): CSE calls to
4176 compare_values where possible.
4177 (extract_range_from_unary_expr): Likewise.
4179 2007-01-07 Anatoly Sokolov <aesok@post.ru>
4181 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
4182 * config/avr/avr.c (call_insn_operand): Delete function.
4183 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
4184 instead of register number. Use predicates.
4185 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
4186 call_insn_operand): Add.
4188 2007-01-06 Jan Hubicka <jh@suse.cz>
4190 * tree-pass.h (pass_build_cgraph_edges): Declare.
4191 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
4192 (visited_nodes): Remove.
4193 (cgraph_create_edges): Move to cgraphbuild.c; rename to
4194 build_cgrpah_edges; make visited_nodes local.
4195 (cgraph_process_new_functions): DO not call initialize_inline_failed.
4196 (record_references_in_initializer): Move to cgraphbuild.c
4197 (initialize_inline_failed, rebuild_cgraph_edges,
4198 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
4199 (verify_cgraph_node): Make visited_nodes local.
4200 (cgraph_analyze_function): Do not call cgraph_create_edges and
4201 initialize_inline_failed.
4202 (cgraph_expand_function): Do not call cgraph_lower_function;
4203 assert that function is already lowered.
4204 * Makefile.in (cgraphbuild.o): New.
4205 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
4206 at the end of lowering passes.
4208 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
4210 * ifcvt.c (cond_move_convert_if_block): New function, code
4211 factored out from...
4212 (cond_move_process_if_block): ...here. Call the new function
4213 on the THEN and ELSE blocks.
4214 (merge_if_block): Do not copy global_live_at_end, merge_blocks
4215 already takes care of this.
4217 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4220 * tree.h (TREE_OVERFLOW_P): New.
4221 * c-typeck.c (parser_build_unary_op): Warn only if result
4222 overflowed and operands did not.
4223 (parser_build_binary_op): Likewise.
4224 (convert_for_assignment): Remove redundant overflow_warning.
4225 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
4227 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4229 * c-typeck.c (store_init_value): Split over two lines to follow
4230 the GNU coding style.
4232 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
4234 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
4235 __GXX_EXPERIMENTAL_CXX0X__.
4236 * doc/cpp.texi: Same.
4238 2007-01-05 Richard Guenther <rguenther@suse.de>
4241 * tree.c (get_narrower): Do not construct COMPONENT_REFs
4242 with mismatched types. Instead explicitly build a
4243 conversion NOP_EXPR.
4245 2007-01-05 Ian Lance Taylor <iant@google.com>
4247 * c-common.c (decl_with_nonnull_addr_p): New function.
4248 (c_common_truthvalue_conversion): Call it.
4249 * c-typeck.c (build_binary_op): Likewise.
4250 * c-common.h (decl_with_nonnull_addr_p): Declare.
4252 2007-01-05 Jakub Jelinek <jakub@redhat.com>
4255 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
4258 2007-01-05 Joel Brobecker <brobecker@adacore.com>
4260 * doc/install.texi (Final install): Document the fact that
4261 the GNAT runtime should not be stripped.
4263 2007-01-04 Jan Hubicka <jh@suse.cz>
4265 * tree-inline.c (fold_marked_statements): Update operand caches
4266 and EH after folding
4268 2007-01-04 Ian Lance Taylor <iant@google.com>
4270 * c-common.c (check_function_nonnull): Whitespace fix.
4272 2007-01-04 Jan Hubicka <jh@suse.cz>
4274 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
4275 comitted older version of patch.
4276 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
4277 function, celanup cfg and collect garbage.
4279 2007-01-04 Mike Stump <mrs@apple.com>
4281 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
4284 2007-01-04 Eric Christopher <echristo@apple.com>
4286 * libgcc2.c (__bswapsi2): Use SItype.
4287 (__bswapdi2): Use DItype.
4288 * libgcc2.h: Update for above.
4290 2007-01-04 Paul Brook <paul@codesourcery.com>
4292 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
4293 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
4294 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
4295 umulsidi3, umulsidi3adddi, smulsi3_highpart,
4296 umulsi3_highpart): Make conditional on !arm_arch6.
4297 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
4298 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
4299 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
4300 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
4301 umulsi3_highpart_v6): New insns.
4303 2007-01-04 Roger Sayle <roger@eyesopen.com>
4305 * fold-const.c (fold_convert): When casting an expression to void,
4306 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
4307 have a type. Instead of attempting to build a NOP_EXPR, return
4308 these "special" trees directly.
4310 2007-01-04 Joseph Myers <joseph@codesourcery.com>
4312 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
4313 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
4314 rs6000_cost->fp not 0 as adjustment for outer NEG.
4316 2007-01-04 Jan Hubicka <jh@suse.cz>
4318 * cgraph.c (cgraph_release_function_body): New function.
4319 (cgraph_remove_node): Use it.
4320 * cgraph.h (cgraph_release_function_body): Declare.
4321 * cgraphunit.c (cgraph_expand_function): Use it.
4322 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
4323 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
4324 is initialized and while compilation of other function is running.
4325 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
4326 statement CFG annotations from here to ...
4327 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
4329 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
4331 * cfgloop.h (enum li_flags): Make the constants powers of two.
4333 2007-01-04 Jan Hubicka <jh@suse.cz>
4335 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
4337 (fold_marked_statements): New function.
4338 (optimize_inline_calls, tree_function_versioning): Fold new statements.
4339 * tree-inline.h (copy_body_data): Add statements_to_fold.
4341 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
4343 * config.gcc: Mention libgcc/config.host.
4344 * Makefile.in: Update comments mentioning libgcc.
4345 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
4346 (all.cross, start.encap, rest.encap, rest.cross): Update
4347 dependencies for libgcc move.
4348 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
4349 (clean-target, clean-target-libgcc): Delete.
4350 (srcdirify, GCC_EXTRA_PARTS): New macros.
4351 (libgcc-support, libgcc.mvars): New rules.
4352 (distclean): Remove mention of mklibgcc.
4353 (install): Don't reference INSTALL_LIBGCC.
4354 (install-common): Don't reference EXTRA_PARTS.
4355 (install-libgcc, install-multilib): Delete rules.
4356 * mklibgcc.in: Delete file.
4357 * doc/configfiles.texi: Don't mention mklibgcc.
4359 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
4360 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
4361 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
4362 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
4363 (mklibgcc, ldblspecs): Likewise.
4365 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
4366 (posixpre.def): Use $(T).
4367 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
4368 (SHLIB_SRC, SHLIB_INSTALL): Delete.
4369 (SHLIB_LINK): Make dummy.
4370 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
4372 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
4374 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
4375 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
4376 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
4377 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
4379 * configure.ac (all_outputs): Remove mklibgcc.
4380 * configure: Regenerated.
4382 2007-01-03 Josh Conner <jconner@apple.com>
4385 * calls.c (compute_argument_addresses): Set stack and stack_slot
4386 for partial args, too.
4387 (store_one_arg): Use locate.size.constant for the size when
4388 generating a save_area.
4390 2007-01-03 Robert Kennedy <jimbob@google.com>
4392 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
4393 whose definitions are deleted due to basic block merging.
4395 2007-01-03 Paul Brook <paul@codesourcery.com>
4398 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
4400 (use_return_insn): Return 0 for Thumb interrupt functions.
4401 (print_multi_reg): Add rfe argument for IRQ returns.
4402 (arm_output_epilogue): Pop interrupt return address directly into PC.
4403 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
4405 2007-01-03 Paul Brook <paul@codesourcery.com>
4407 Merge from sourcerygxx-4_1.
4408 * config/arm/thumb2.md: New file.
4409 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
4411 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
4412 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4413 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
4414 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
4416 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4417 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
4419 * config/arm/ieee754-sf.S: Ditto.
4420 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
4421 (thumb1_base_register_rtx_p): ... to this.
4422 (thumb_index_register_rtx_p): Rename...
4423 (thumb1_index_register_rtx_p): ... to this.
4424 (thumb_output_function_prologue): Rename...
4425 (thumb1_output_function_prologue): ... to this.
4426 (thumb_legitimate_address_p): Rename...
4427 (thumb1_legitimate_address_p): ... to this.
4428 (thumb_rtx_costs): Rename...
4429 (thumb1_rtx_costs): ... to this.
4430 (thumb_compute_save_reg_mask): Rename...
4431 (thumb1_compute_save_reg_mask): ... to this.
4432 (thumb_final_prescan_insn): Rename...
4433 (thumb1_final_prescan_insn): ... to this.
4434 (thumb_expand_epilogue): Rename...
4435 (thumb1_expand_epilogue): ... to this.
4436 (arm_unwind_emit_stm): Rename...
4437 (arm_unwind_emit_sequence): ... to this.
4438 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
4439 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
4440 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
4441 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
4442 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
4443 thumb2_output_casesi): New functions.
4444 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
4445 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
4446 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
4447 THUMB2_WORK_REGS): Define.
4448 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
4449 arm_condexec_mask, arm_condexec_masklen)): New variables.
4450 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
4451 (arm_override_options): Check new CPU capabilities.
4452 Set new architecture flag variables.
4453 (arm_isr_value): Handle v7m interrupt functions.
4454 (user_return_insn): Return 0 for v7m interrupt functions. Handle
4456 (const_ok_for_arm): Handle Thumb-2 constants.
4457 (arm_gen_constant): Ditto. Use movw when available.
4458 (arm_function_ok_for_sibcall): Return false for v7m interrupt
4460 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
4461 (thumb_find_work_register, arm_load_pic_register,
4462 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
4463 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
4464 print_multi_reg, output_mov_long_double_fpa_from_arm,
4465 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
4466 output_mov_double_fpa_from_arm, output_move_double,
4467 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
4468 output_return_instruction, arm_output_function_prologue,
4469 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
4470 arm_output_mi_thunk, thumb_set_return_address): Ditto.
4471 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
4472 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
4473 (arithmetic_instr, shift_op): Use arm_shift_nmem.
4474 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
4476 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
4477 (thumb_expand_prologue): Use thumb_set_frame_pointer.
4478 (arm_file_start): Output directive for unified syntax.
4479 (arm_unwind_emit_set): Handle stack alignment instruction.
4480 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
4481 Add v6t2, v7, v7a, v7r and v7m.
4482 (RETLDM): Add Thumb-2 code.
4483 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
4484 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
4485 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
4486 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
4487 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
4488 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
4489 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
4490 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
4491 ADJUST_INSN_LENGTH): Define.
4492 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
4493 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
4494 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
4495 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
4496 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4497 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
4498 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
4499 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
4500 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
4501 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
4502 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
4503 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
4504 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
4505 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
4506 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
4507 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
4508 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
4510 * config/arm/arm-tune.md: Regenerate.
4511 * config/arm/arm-protos.h: Update prototypes.
4512 * config/arm/vfp.md: Enable patterns for Thumb-2.
4513 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
4514 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
4515 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
4516 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
4517 * config/arm/libunwind.S: Add Thumb-2 code.
4518 * config/arm/constraints.md: Update include Thumb-2.
4519 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
4520 * config/arm/ieee754-df.S: Ditto.
4521 * config/arm/bpabi.S: Ditto.
4522 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
4523 * config/arm/predicates.md (low_register_operand,
4524 low_reg_or_int_operand, thumb_16bit_operator): New.
4525 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
4526 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
4527 * config/arm/t-arm-elf: Add armv7 multilib.
4528 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
4530 (UNSPEC_STACK_ALIGN, ce_count): New.
4531 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
4532 arm_zero_extendsidi2, arm_zero_extendqidi2): New
4534 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
4535 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
4536 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
4537 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
4538 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
4539 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
4541 * doc/extend.texi: Document ARMv7-M interrupt functions.
4542 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
4544 2007-01-03 Jakub Jelinek <jakub@redhat.com>
4546 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
4547 (struct _Unwind_Context): Rename args_size to flags, remove
4548 signal_frame field, add a new args_size field and version field.
4549 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
4550 _Unwind_IsExtendedContext): New inline functions.
4551 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4552 Assume by_value array is only present if _Unwind_IsExtendedContext.
4553 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
4554 _Unwind_IsSignalFrame.
4555 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
4556 (uw_update_context_1): Use _Unwind_SetSignalFrame.
4557 (uw_init_context_1): Initialize context->flags to
4558 EXTENDED_CONTEXT_BIT.
4559 * config/rs6000/linux-unwind.h (frob_update_context): Use
4560 _Unwind_SetSignalFrame.
4562 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4565 * gimplify.c (gimplify_modify_expr_complex_part): Move below
4566 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
4569 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
4571 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
4572 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
4573 RET, AT_SP): Remove.
4574 * config/i386/i386.md (*sse_prologue_save_insn): Use return
4577 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4578 * cfgbuild.c (find_basic_blocks): Likewise.
4579 * cfgrtl.c (rtl_create_basic_block): Likewise.
4580 * function.c (temp_slots_at_level): Likewise.
4581 * reg-stack.c (stack_regs_mentioned): Likewise.
4582 * regclass.c (allocate_reg_info): Likewise.
4583 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4584 set_bb_for_stmt, move_block_to_fn): Likewise.
4585 * tree-complex.c (tree_lower_complex): Likewise.
4586 * vec.h (VEC_safe_grow_cleared): New.
4588 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
4590 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
4592 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
4593 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
4595 * cfgloopmanip.c (scale_loop_frequencies): Export.
4596 (loopify): Scale the frequencies by prescribed coefficients.
4597 (set_zero_probability): New function.
4598 (duplicate_loop_to_header_edge): Improve updating of frequencies.
4599 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
4600 and frequencies according to arguments.
4601 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
4603 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
4604 * modulo-sched.c (sms_schedule): Set probabilities for entering
4605 versioned loop correctly.
4606 * tree-vect-transform.c (vect_transform_loop): Ditto.
4607 * cfgloop.h (loopify, loop_version): Declaration changed.
4608 (scale_loop_frequencies): Declared.
4610 2007-01-02 Jan Hubicka <jh@suse.cz>
4612 * cgraph.c: Include tree-flow.h
4613 (cgraph_add_new-function): Handle IPA_SSA mode; execute
4615 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
4616 * tree-pass.h (pass_all_early_optimizations): Declare.
4617 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
4619 (cgraph_analyze_function): Do early_local_passes.
4620 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4621 Do not add referenced vars.
4622 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
4624 (gate_all_early_local_passes): New gate.
4625 (pass_early_local_passes): Use new gate.
4626 (execute_early_local_optimizations): New functions.
4627 (gate_all_early_optimizations): New gate.
4628 (pass_all_early_optimizations): New pass.
4629 (execute_free_datastructures): Free SSA only when initialized.
4630 (gate_init_datastructures): Init only when optimizing.
4631 (tree_lowering_passes): Do early local passes when called late.
4632 * tree-profile.c (do_tree_profiling): Don't profile functions added
4634 (do_early_tree_profiling, pass_early_tree_profile): Kill.
4635 * tree-cfg.c (update_modified_stmts): Do not update when operands are
4637 * passes.c (init_optimizations_passes): Reorder so we go into SSA
4638 during early_local_passes.
4639 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
4642 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
4644 * Makefile.in: Update copyright year.
4646 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
4648 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
4649 in $(lang_checks) and check-consistency targets.
4651 2007-01-02 Jan Hubicka <jh@suse.cz>
4653 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4654 Do not add referenced vars.
4655 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
4657 * passes.c (init_optimization_passes): Put mudflap_2 after
4658 free_datastructures.
4660 2007-01-02 Jan Hubicka <jh@suse.cz>
4662 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
4663 Set NOTHROW flag on call statements proved to be nothrow.
4664 Update statement of local calls so new pure/const functions are
4665 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
4667 (tree_rest_of_compilation): Register hooks and initialize bitmap
4668 early. Do not set after_inlining flag.
4670 2007-01-02 Steve Ellcey <sje@cup.hp.com>
4672 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
4673 HOST_BITS_PER_LONGLONG
4675 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4678 * c-typeck.c (store_init_value): Don't emit pedantic overflow
4679 warning for non-static initializers.
4681 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
4683 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
4684 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
4685 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
4686 Always use set_unique_reg_note to add REG_EQUAL notes.
4688 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
4691 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
4693 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4694 * cfgbuild.c (find_basic_blocks): Likewise.
4695 * cfgrtl.c (rtl_create_basic_block): Likewise.
4696 * function.c (temp_slots_at_level): Likewise.
4697 * reg-stack.c (stack_regs_mentioned): Likewise.
4698 * regclass.c (allocate_reg_info): Likewise.
4699 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4700 set_bb_for_stmt, move_block_to_fn): Likewise.
4701 * tree-complex.c (tree_lower_complex): Likewise.
4702 * vec.h (VEC_safe_grow_cleared): New.
4704 2007-01-02 Ian Lance Taylor <iant@google.com>
4706 * c-common.c (c_common_truthvalue_conversion): When warning about
4707 using an assignment as a truth value, set TREE_NO_WARNING.
4709 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4712 * c.opt (Wold-style-declaration): New.
4713 * doc/invoke.texi (C-only Warning Options): New.
4714 (Wold-style-declaration): Document it.
4715 (Wextra): Enabled by -Wextra.
4716 * c-opts.c (c_common_post_options): Enabled by -Wextra.
4717 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
4718 -Wold-style-declaration.
4720 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
4722 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4723 * cfgbuild.c (find_basic_blocks): Likewise.
4724 * cfgrtl.c (rtl_create_basic_block): Likewise.
4725 * function.c (temp_slots_at_level): Likewise.
4726 * reg-stack.c (stack_regs_mentioned): Likewise.
4727 * regclass.c (allocate_reg_info): Likewise.
4728 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4729 set_bb_for_stmt, move_block_to_fn): Likewise.
4730 * tree-complex.c (tree_lower_complex): Likewise.
4731 * vec.h (VEC_safe_grow_cleared): New.
4733 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
4735 * c-common.c (c_common_nodes_and_builtins): Since variants of
4736 void_type_node get built before it is given a name, we need to
4737 give those variants the name, too.
4738 (complete_array_type): We need to work with the canonical main
4739 type of the array, from which we will build the qualified version.
4740 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
4741 * print-tree.c (print_node): Display canonical type information
4743 * stor-layout.c (layout_type): When we don't know the
4744 alignment of a type for which we're building an array, we end up
4745 guessing wrong, so make the type require structural equality.
4746 * tree.c (make_node_stat): When we build a new type, it is its
4748 (build_type_attribute_qual_variant): When building an attribute
4749 variant, its canonical type is the non-attribute variant. However,
4750 if the attributes are target-dependent and they differ, we need to
4751 use structural equality checks for this type.
4752 (build_qualified_type): A qualified type is not equivalent to its
4753 unqualified variant; set the canonical type appropriately.
4754 (build_distinct_type_copy): When building a distinct type from
4755 another type, the new type is its own canonical type.
4756 (build_variant_type_copy): When building a new type variant, we
4757 assume that it is equivalent to the original type.
4758 (build_pointer_type_for_mode): When building a pointer type, also
4759 build a canonical type pointer.
4760 (build_reference_type_for_mode): When building a reference type,
4761 also build a canonical type reference.
4762 (build_index_type): When we can't hash an index type (e.g.,
4763 because its maximum value is negative), the index type requires
4764 structural equality tests.
4765 (build_array_type): Build the canonical form of an array type.
4766 (build_function_type): Function types require structural equality,
4767 because they contain default arguments, attributes, etc.
4768 (build_method_type_directly): Ditto for method types.
4769 (build_offset_type): Build the canonical offset type.
4770 (build_complex_type): Build the canonical vector type.
4771 (make_vector_type): Build the canonical vector type.
4772 * tree.h (TYPE_CANONICAL): New.
4773 (TYPE_STRUCTURAL_EQUALITY_P): New.
4774 (SET_TYPE_STRUCTURAL_EQUALITY): New.
4775 (struct tree_type): Added "canonical" field.
4776 * params.h (VERIFY_CANONICAL_TYPES): New.
4777 * doc/c-tree.texi (TYPE_CANONICAL): Document.
4778 (TYPE_STRUCTURAL_EQUALITY_P): Document.
4779 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
4780 * doc/invoke.texi (verify-canonical-types): Document --param
4781 parameter for verifying canonical types.
4783 2007-01-02 Joseph Myers <joseph@codesourcery.com>
4785 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
4786 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
4787 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
4788 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
4790 * config/rs6000/e500.h: New.
4791 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
4792 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
4794 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
4795 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
4796 TARGET_E500_DOUBLE): Remove.
4797 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
4798 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
4799 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
4800 * config/rs6000/rs6000.c (rs6000_override_options): Use
4803 2007-01-02 Joseph Myers <joseph@codesourcery.com>
4805 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
4806 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
4807 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
4808 rs6000_emit_cmove): Don't check TARGET_E500.
4809 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
4810 sordered): Don't check TARGET_E500.
4812 2007-01-01 Eric Christopher <echristo@apple.com>
4814 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
4815 HARD_REGISTER_NUM_P.
4817 2007-01-01 Roger Sayle <roger@eyesopen.com>
4819 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
4820 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
4821 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
4824 2007-01-01 Mike Stump <mrs@apple.com>
4826 * configure.ac: Remove support for building with Apple's gcc-3.1.
4828 2007-01-02 Joseph Myers <joseph@codesourcery.com>
4831 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
4832 REG is a hard register. Do not modify REG before calling
4834 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
4835 multiple of the size of YMODE for certain lowpart cases.
4837 2007-01-01 Andrew Pinski <pinskia@gmail.com>
4840 * gimplify (voidify_wrapper_expr): Update for
4843 2007-01-01 Andreas Schwab <schwab@suse.de>
4846 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
4847 save of BR0 in extra_spill_size instead of spill_size.
4848 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
4850 (ia64_expand_epilogue): Restore BR0 from its new location.
4852 2007-01-01 Andrew Pinski <pinskia@gmail.com>
4854 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
4855 Use a temporary variable if the left hand side is not a gimple
4858 2007-01-01 Andrew Pinski <pinskia@gmail.com>
4860 * gimplify.c (gimplify_return_expr): Make the temporary variable
4861 for the return expression, a gimple register variable.
4863 2007-01-01 Jan Hubicka <jh@suse.cz>
4865 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
4868 2007-01-01 Mike Stump <mrs@apple.com>
4870 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
4872 * config/darwin.c (machopic_select_rtx_section): Use
4874 (darwin_mergeable_constant_section): Likewise.
4875 * configure: Regenerate.
4876 * config.in: Regenerate.
4878 2007-01-01 Jan Hubicka <jh@suse.cz>
4879 Andrew Pinski <pinskia@gmail.com>
4881 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
4882 before starting IPA passes.