1 2007-02-12 Richard Henderson <rth@redhat.com>
3 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
4 result mode of the libcall, convert back to outmode.
6 2007-02-12 Roger Sayle <roger@eyesopen.com>
8 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
9 (bswapdi2): New define_expand to implement 32-bit implementation.
11 2007-02-12 Nick Clifton <nickc@redhat.com>
13 * doc/invoke.texi (Overall Options): Document --help=.
14 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
15 (cc1_options): Pass --help= on to cc1.
16 (display_help): Add description of --help=.
17 (process_command): Add code to handle --help=. Allow translated
18 --help and --target-help switches to be passed on to compiler
20 (main): Remove unused if statement.
21 * opts.c (columns): Remove.
22 (LEFT_COLUMN): Define.
23 (wrap_help): Add columns argument.
24 (print_filtered_help): Change parameters to be an include bitmask,
25 an exclude bitmask, an any bitmask and the column width. Move the
26 code to display the params list here. Add code to display the
27 status of options rather than their descriptions if the quiet flag
29 (print_specific_help): Change parameters to be an include bitmask,
30 an exclude bitmask and an any bitmask. Move code to look up the
31 column width here. Decide upon the title for an options listing.
32 (common_handle_options): Add code to handle --help=. Adapt code
33 for --help and --target-help to use the revised form of the
34 print_specific_help function.
36 (print_param_help): Delete.
37 (print_switch): Delete.
38 * opts.h (cl_lang_count): Add prototype.
39 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
40 CL_MAX_OPTION_CLASS): New defines.
41 * optc-gen.awk: Add construction of cl_lang_count.
42 * c.opt: Add Warning attribute to warning options and Optimization
43 attribute to optimization options.
44 * common.opt: Likewise.
46 Add -fhelp and -ftarget-help as aliases for the transformed --help
47 and --target-help options.
48 * opt-functions.awk: Add code to handle Warning and Optimization
51 2007-02-12 Richard Henderson <rth@redhat.com>
53 * config/alpha/constraints.md: New file.
54 * config/alpha/alpha.c: Include tm-constrs.h.
55 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
56 alpha_extra_constraint): Remove.
57 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
58 * config/alpha/alpha-protos.h: Update.
59 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
60 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
61 (EXTRA_CONSTRAINT): Remove.
62 * config/alpha/alpha.md: Include constraints.md.
63 (adddi splitter): Use satisfies_constraint_*.
64 * config/alpha/predicates.md (add_operand): Likewise.
65 (sext_add_operand, addition_operation): Likewise.
67 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
69 PR tree-optimization/29145
70 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
71 in our handling of restrict qualified pointers.
73 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
76 * doc/invoke.texi (Wunused-value): Update description.
77 (Wextra): Delete item.
78 * opts.c (set_Wextra): Don't use the value of Wextra to set the
79 value of Wunused-value.
80 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
81 (c_finish_stmt_expr): Don't check extra_warnings.
82 (emit_side_effect_warnings): The caller is responsible to check
85 2007-02-11 Roger Sayle <roger@eyesopen.com>
86 Matt Thomas <matt@3am-software.com>
88 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
90 2007-02-11 Roger Sayle <roger@eyesopen.com>
92 * simplify-rtx.c (simplify_relational_operation_1): Optimize
93 comparisons of POPCOUNT against zero.
94 (simplify_const_relational_operation): Likewise.
96 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
98 * doc/invoke.texi (Wextra): Delete outdated paragraph.
100 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
102 * dwarf2out.c (root_type): Delete unused function.
104 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
106 * genattrtab.c (contained_in_p): Delete unused function.
107 (write_expr_attr_cache): Likewise.
109 2007-02-11 Jan Hubicka <jh@suse.cz>
111 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
114 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
116 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
117 to add the REG_EQ* note.
118 * see.c (see_merge_one_use_extension): Likewise.
119 * local-alloc.c (update_equiv_regs): Likewise. Also don't
120 turn REG_EQUAL notes into REG_EQUIV notes if the target
121 register may have more than one set.
122 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
123 * gcse.c (try_replace_reg): Likewise.
124 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
125 * calls.c (fixup_tail_calls): Likewise. Abort if there is
126 more than one REG_EQUIV note.
127 * reload1.c (gen_reload): Use set_unique_reg_note.
129 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
131 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
132 (ix86_builtin_conversion): New function.
134 2007-02-06 Mark Mitchell <mark@codesourcery.com>
137 * tree.h (DECL_REPLACEABLE_P): New macro.
138 * except.c (set_nothrow_function_flags): Likewise.
140 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
141 Ira Rosen <irar@il.ibm.com>
142 Dorit Nuzman <dorit@il.ibm.com>
144 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
145 * targhooks.c (default_builtin_vectorized_conversion): New.
146 * targhooks.h (default_builtin_vectorized_function): New declaration.
147 * target.h (struct vectorize): Add builtin_conversion field.
148 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
149 stmt_vec_info_type value.
150 (vectorizable_conversion): New declaration.
151 * tree-vect-analyze.c (vect_analyze_operations): Add
152 vectorizable_conversion call.
153 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
154 * tree-vect-transform.c (vectorizable_conversion): New function.
155 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
156 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
158 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
159 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
160 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX or
161 ALTIVEC_BUILTIN_VCFSX.
163 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
166 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
167 CONST_DOUBLE and operand 0 is a hard register.
168 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
169 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
170 is a hard floating-point register.
172 2007-02-10 Richard Henderson <rth@redhat.com>
173 Jakub Jelinek <jakub@redhat.com>
174 Alexandre Oliva <aoliva@redhat.com>
176 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
177 * builtin-types.def (BT_WORD): Make unsigned.
178 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
179 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
180 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
181 * c-decl.c (grokdeclarator): Don't error if !have_tls.
182 * c-parser.c (c_parser_omp_threadprivate): Likewise.
183 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
185 * expr.c (emutls_var_address): New.
186 (expand_expr_real_1): Expand emulated tls.
187 (expand_expr_addr_expr_1): Likewise.
188 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
189 * output.h (emutls_finish): Declare.
190 * toplev.c (compile_file): Call it.
191 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
192 address before wrapping in CONST.
193 * varasm.c (emutls_htab, emutls_object_type): New.
194 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
195 (get_emutls_object_name, get_emutls_object_type): New.
196 (get_emutls_init_templ_addr, emutls_decl): New.
197 (emutls_common_1, emutls_finish): New.
198 (assemble_variable): When emulating tls, swap decls; generate
199 constructor for the emutls objects.
200 (do_assemble_alias): When emulating tls, swap decl and target name.
201 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
203 * varpool.c (decide_is_variable_needed): Look at force_output.
204 Recurse for emulated tls.
205 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
206 with decide_is_variable_needed.
207 * emutls.c: New file.
208 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
209 tls_object for real tls.
211 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
213 PR rtl-optimization/29599
214 * reload1.c (eliminate_regs_in_insn): Take the destination
215 mode into account when computing the offset.
217 2007-02-09 Stuart Hastings <stuart@apple.com>
218 Richard Henderson <rth@redhat.com>
220 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
221 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
222 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
223 fixuns_truncdfhi2): New.
224 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
225 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
226 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
227 (floatunssidf2): Allow nonimmediate source.
228 * gcc/config/i386/sse.md (movdi_to_sse): New.
229 (vec_concatv2di): Drop '*'.
230 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
231 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
232 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
234 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
235 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
236 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
237 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
238 (ix86_build_signbit_mask): Fix decl of v, refactor to call
239 ix86_build_const_vector.
240 (x86_emit_floatuns): Rewrite.
242 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
244 * genautomata.c (longest_path_length): Delete unused function.
245 (struct state): Delete unused longest_path_length.
246 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
247 (get_free_state): Delete unused.
249 2007-02-09 Jan Hubicka <jh@suse.cz>
251 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
252 * doc/invoke.texi (inline-unit-growth): Update default value.
254 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
255 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
256 (rebuild_cgraph_edges): Likewise.
257 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
258 (dump_cgraph_node): Dump frequencies.
259 (cgraph_clone_edge): Add frequency scales.
260 (cgraph_clone_node): Add freuqnecy.
261 * cgraph.h (cgraph_edge): Add freuqnecy argument.
262 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
263 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
264 * tree-pass.h (TODO_rebuild_frequencies): New constant.
265 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
266 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
267 (save_inline_function_body): Likewise.
268 * ipa-inline.c: inluce rtl.h
269 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
270 (cgraph_edge_badness): Use frequencies.
271 (cgraph_decide_recursive_inlining): Update clonning.
272 (cgraph_decide_inlining_of_small_function): Dump frequency.
273 * predict.c (estimate_bb_frequencies): Export.
274 * predict.h (estimate_bb_frequencies): Declare.
275 * tree-inline.c (copy_bb): Watch overflows.
276 (expand_call_inline): Update call of cgraph_create_edge.
277 (optimize_inline_calls): Use TODO flags to update frequnecies.
278 * passes.h: Include predict.h
279 (init_optimization_passes): Move profile ahead.
280 (execute_function_todo): Handle TODO_rebuild_frequencies.
282 2007-02-09 Roger Sayle <roger@eyesopen.com>
284 * config/alpha/alpha.c (emit_insxl): Force the first operand of
285 the insbl or inswl pattern into a register.
287 2007-02-09 Roger Sayle <roger@eyesopen.com>
289 * config/ia64/ia64.md (bswapdi2): New define_insn.
291 2007-02-09 Richard Henderson <rth@redhat.com>
293 * config/i386/constraints.md (Ym): New constraint.
294 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
295 (movdi_1_rex64): Split sse and xmm general register moves from
296 memory move alternatives. Use conditional register constraints.
297 (movsf_1, movdf_integer): Likewise.
298 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
299 (movdf_integer_rex64): New.
300 (pushsf_rex64): Fix output constraints.
301 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
302 (sse2_stored): Likewise.
303 (sse2_storeq_rex64): New.
304 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
306 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
307 for optimize_size. Remove SF/DFmode hack.
309 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
311 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
314 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
315 Richard Sandiford <richard@codesourcery.com>
317 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
318 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
319 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
320 m68k/t-mlib to tmake_file.
321 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
322 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
323 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
324 Allow it to be cf or m68k. Set m68k_arch_family. If that
325 variable is not empty, add t-$m68k_arch_family to tmake_file.
326 Add t-mlibs to tmake_file.
327 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
328 * config/m68k/t-cf: New file.
329 * config/m68k/t-m68k: Likewise.
330 * config/m68k/t-mlibs: Likewise.
331 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
332 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
333 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
334 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
335 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
337 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
338 (INSTALL_LIBGCC): Delete.
339 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
340 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
341 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
342 (M68K_MLIB_CPU): Define.
343 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
344 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
345 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
347 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
348 Richard Guenther <rguenther@suse.de>
351 * fold-const.c (fold_comparison): Handle obfuscated comparisons
352 against INT_MIN/INT_MAX.
353 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
354 file if a loop is removed.
356 2007-02-09 Joseph Myers <joseph@codesourcery.com>
358 * calls.c (store_one_arg): Pass correct alignment to
359 emit_push_insn for non-BLKmode values.
360 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
361 unaligned stack slot via a suitably aligned slot.
363 2007-02-08 DJ Delorie <dj@redhat.com>
365 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
367 (legal_subregs): Use unsigned char, make const.
368 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
370 2007-02-08 Paul Brook <paul@codesourcery.com>
372 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
373 special interworking needed.
375 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
377 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
378 conditional to __SSE2__.
379 (Entries below should have been added to first ChangeLog
380 entry for amdfam10 dated 2007-02-05)
381 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
383 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
385 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
388 2007-02-08 DJ Delorie <dj@redhat.com>
390 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
391 * config/m32c/m32c.c (legal_subregs): New.
392 (m32c_illegal_subreg_p): New.
393 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
394 unsupported subregs of hard regs.
396 2007-02-08 Jan Hubicka <jh@suse.cz>
398 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
399 the same one; always update histograms.
401 2007-02-08 Diego Novillo <dnovillo@redhat.com>
403 * passes.c (init_optimization_passes): Tidy comment.
405 2007-02-08 Roger Sayle <roger@eyesopen.com>
407 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
408 strip zero_extend, bswap and rotates from POCOUNT's argument.
409 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
410 zero_extend and rotates from PARITY's argument.
411 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
412 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
413 of an integer constant at compile-time.
415 2007-02-08 Diego Novillo <dnovillo@redhat.com>
418 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
420 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
423 * tree-ssa-live.c (remove_unused_locals): Do not remove
424 TREE_ADDRESSABLE variables.
425 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
426 * tree-ssa-operands.c (add_virtual_operand): Remove argument
427 FOR_CLOBBER. Update all users.
428 If VAR has an associated alias set, add a virtual operand for
429 it if no alias is found to conflict with the memory reference.
431 2007-02-07 Jan Hubicka <jh@suse.cz>
432 Robert Kidd <rkidd@crhc.uiuc.edu>
434 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
436 2007-02-07 Ian Lance Taylor <iant@google.com>
438 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
440 2007-02-07 Roger Sayle <roger@eyesopen.com>
442 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
443 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
444 tablejumpdi, movsi_to_cr_one): Remove constraints from
445 define_expand's match_operands.
447 2007-02-07 Roger Sayle <roger@eyesopen.com>
449 * global.c (compute_regsets): Move declatation of "i" inside of
450 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
452 2007-02-07 Jakub Jelinek <jakub@redhat.com>
455 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
456 of INDIRECT_REF <RESULT_DECL>.
458 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
460 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
461 Kaz Kojima <kkojima@gcc.gnu.org>
464 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
466 (sh_initialize_trampoline): Add parentheses to avoid a warning.
468 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
470 * doc/loop.texi: Document possibility not to perform disambiguation
471 of loops with multiple latches.
472 * cfgloopmanip.c (alp_enum_p): Removed.
473 (add_loop): Handle subloops. Use get_loop_body_with_size.
474 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
475 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
476 the new forwarder block.
477 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
478 Handle the case latch is NULL.
479 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
480 when marking loop exits.
481 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
483 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
484 disambiguate_loops_with_multiple_latches.
485 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
486 before fix_loop_structure.
487 * cfgloop.c: Include pointer-set.h and output.h.
488 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
489 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
490 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
491 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
492 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
493 disambiguate_multiple_latches, get_loop_body_with_size,
494 disambiguate_loops_with_multiple_latches): New functions.
495 (flow_loop_dump): Dump multiple latch edges.
496 (flow_loop_nodes_find): Handle loops with multiple latches.
497 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
498 (glb_enum_p): Modified.
499 (get_loop_body): Use get_loop_body_with_size.
500 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
501 (AVOID_CFG_MODIFICATIONS): New constant.
502 (disambiguate_loops_with_multiple_latches, add_loop,
503 get_loop_body_with_size): Declare.
504 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
506 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
509 * global.c (compute_regsets): New function.
510 (global_alloc): Refactored ELIMINABLE_REGSET
511 and NO_GLOBAL_ALLOC_REGS computation out.
512 (rest_of_handle_global_alloc): Call compute_regsets()
513 for non-optimizing case.
515 2007-02-06 Richard Henderson <rth@redhat.com>
517 * config/i386/constraints.md (Y2): Rename from Y.
518 (Yi): New constraint.
519 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
520 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
521 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
522 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
523 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
524 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
525 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
526 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
527 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
528 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
529 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
530 vec_extractv2si_1): Change Y constraints to Y2.
531 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
532 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
533 Change Y constraints to Y2.
534 (sse2_loadld): Change Y constraints to x.
536 2007-02-06 Roger Sayle <roger@eyesopen.com>
538 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
539 (parity<mode>2): New define_expand using rs6000_emit_parity.
540 * config/rs6000/rs6000.c (rs6000_emit_popcount,
541 rs6000_emit_parity): New functions.
542 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
543 rs6000_emit_parity): Prototype here.
545 2007-02-06 Ian Lance Taylor <iant@google.com>
547 * lower-subreg.c (simple_move_operand): Reject CONST.
548 (resolve_clobber): Call validate_change rather than directly
549 assigning to XEXP (pat, 0).
551 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
553 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
554 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
555 (tree-cfg.o): Remove hashtab.h dependency.
557 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
558 (struct ivopts_data): Change niters to pointer_map_t.
559 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
560 (niter_for_exit): Create pointer_map on demand. Change for
562 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
563 (free_loop_data): Destroy data->niters if created and reset field.
564 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
565 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
567 * tree-ssa-reassoc.c: Include pointer-set.h.
568 (bb_rank): Change to long *.
569 (operand_rank): Change to pointer_map_t.
570 (find_operand_rank): Return long, -1 if not found. Declare as inline.
571 (insert_operand_rank): Accept long.
572 (operand_entry_hash, operand_entry_eq): Remove.
573 (get_rank): Return long. Adjust for changes above.
574 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
576 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
578 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
579 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
580 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
582 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
583 directly since it cannot be NULL.
584 (get_vi_for_tree): Rewrite for pointer_map API.
585 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
586 (init_alias_vars): Create vi_for_tree as pointer_map.
587 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
589 * tree-cfg.c: Don't include hashtab.h.
590 (edge_to_cases): Declare as pointer_map.
591 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
593 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
594 (start_recording_case_labels): Create edge_to_cases as pointer_map.
595 (end_recoding_case_labels): Cleanup edge_to_cases manually before
597 (record_switch_edge): Delete.
598 (get_cases_for_edge): Adjust for pointer_map API, inline
599 record_switch_edge (rewritten for new API), remove goto.
601 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
603 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
604 * tree-nested.c: Include pointer-set.h.
605 (var_map_elt, var_map_eq, var_map_hash): Delete.
606 (struct nesting_info): Remove GTY marker. Change the two htab_t's
608 (nesting_info_bitmap_obstack): New.
609 (lookup_field_for_decl): Adjust for pointer_map API.
610 (lookup_tramp_for_decl): Adjust for pointer_map API.
611 (get_nonlocal_debug_decl): Adjust for pointer_map API.
612 (get_local_debug_decl): Adjust for pointer_map API.
613 (convert_nl_goto_reference): Adjust for pointer_map API.
614 (convert_nl_goto_receiver): Adjust for pointer_map API.
615 (create_nesting_tree): Create outside GGC space. Create bitmap on
616 the new obstack. Create field_map and var_map as pointer_maps.
617 (free_nesting_tree): Adjust for changes to create_nesting_tree.
619 (lower_nested_functions): Move root here, no need to NULL it.
620 Initialize and release the obstack.
622 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
624 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
625 Remove prototypes and make them non-static.
626 (struct tree_int_map): Remove.
627 * tree.h (struct tree_int_map): Move here, turning TO into an
629 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
631 * tree.h (TREE_COMPLEXITY): Remove.
632 (struct tree_exp): Remove complexity field.
633 * tree.c (build1_stat): Don't set it.
635 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
636 Victor Kaplansky <victork@il.ibm.com>
638 * tree-vectorizer.c (vect_is_simple_use): Support induction.
639 (vect_is_simple_reduction): Support reduction with induction as
641 (vect_is_simple_iv_evolution): Fix formatting.
642 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
643 formatting. Don't mark induction phis for vectorization.
644 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
645 * tree-vect-transform.c (get_initial_def_for_induction): New function.
646 (vect_get_vec_def_for_operand): Support induction.
647 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
649 (vectorizable_reduction): Support reduction with induction as one of
651 (vectorizable_type_demotion): Use def-type of stmt argument rather
654 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
655 flag_tree_scev_cprop.
656 * common.opt (tree-scev-cprop): New flag.
658 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
659 call to vect_get_new_vect_var.
661 2007-02-06 Ira Rosen <irar@il.ibm.com>
663 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
665 (vect_pattern_recog_1): Likewise.
667 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
669 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
670 (fold_negate_expr): Likewise.
672 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
675 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
676 even if cv-qualification is the same.
678 2007-02-05 Geoffrey Keating <geoffk@apple.com>
680 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
681 __enable_execute_stack on completion.
683 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
685 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
686 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
687 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
688 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
689 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
690 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
691 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
692 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
694 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
696 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
697 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
698 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
699 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
700 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
701 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
702 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
703 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
704 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
705 umuldi3_highpart_rex64, umulsi3_highpart_insn,
706 umulsi3_highpart_zext, smuldi3_highpart_rex64,
707 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
708 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
709 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
710 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
711 sqrtextenddfxf2_i387): Added amdfam10_decode.
713 * config/i386/athlon.md (athlon_idirect_amdfam10,
714 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
715 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
716 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
717 athlon_ivector_store_amdfam10): New define_insn_reservation.
718 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
721 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
723 * config/i386/athlon.md (athlon_call_amdfam10,
724 athlon_pop_amdfam10, athlon_lea_amdfam10): New
725 define_insn_reservation.
726 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
727 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
728 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
730 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
732 * config/i386/athlon.md (athlon_sseld_amdfam10,
733 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
734 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
736 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
738 * config/i386/athlon.md (athlon_sseins_amdfam10): New
739 define_insn_reservation.
740 * config/i386/i386.md (sseins): Added sseins to define_attr type
741 and define_attr unit.
742 * config/i386/sse.md: Set type attribute to sseins for insertq
745 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
747 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
748 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
749 ssecomi_load_amdfam10, ssecomi_amdfam10,
750 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
751 define_insn_reservation.
752 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
754 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
756 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
757 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
758 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
759 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
760 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
761 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
762 define_insn_reservation.
764 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
765 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
766 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
767 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
768 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
770 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
772 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
773 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
774 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
775 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
776 athlon_ssemul_load_k8): Added amdfam10.
778 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
780 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
781 (x86_sse_unaligned_move_optimal): New variable.
783 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
785 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
786 for unaligned vector SSE double/single precision loads for AMDFAM10.
788 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
790 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
791 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
792 Define TARGET_CPU_DEFAULT_amdfam10.
793 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
794 (processor_type): Add PROCESSOR_AMDFAM10.
796 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
797 processor_type in config/i386/i386.h.
798 Enable imul peepholes for TARGET_AMDFAM10.
800 * config.gcc: Add support for --with-cpu option for amdfam10.
802 * config/i386/i386.c (amdfam10_cost): New variable.
803 (m_AMDFAM10): New macro.
804 (m_ATHLON_K8_AMDFAM10): New macro.
805 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
806 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
807 x86_promote_QImode, x86_integer_DFmode_moves,
808 x86_partial_reg_dependency, x86_memory_mismatch_stall,
809 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
810 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
811 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
812 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
813 Enable/disable for amdfam10.
814 (override_options): Add amdfam10_cost to processor_target_table.
815 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
816 processor_alias_table.
817 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
818 (ix86_adjust_cost): Add code for amdfam10.
820 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
822 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
823 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
824 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
825 * config/i386/i386.h: Add builtin definition for SSE4A.
826 * config/i386/i386.md: Add support for ABM instructions
828 * config/i386/sse.md: Add support for SSE4A instructions
829 (movntss, movntsd, extrq, insertq).
830 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
831 Add -march=amdfam10 flag.
832 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
833 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
835 * doc/extend.texi: Add documentation for SSE4A builtins.
837 2007-02-05 Bob Wilson <bob.wilson@acm.org>
839 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
841 2007-02-05 Richard Guenther <rguenther@suse.de>
843 * tree-vectorizer.h (vectorizable_function): Add argument type
844 argument, change return type.
845 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
846 * tree-vect-transform.c (vectorizable_function): Handle extra
847 argument, return vectorized function decl.
848 (build_vectorized_function_call): Remove.
849 (vectorizable_call): Handle calls with result and argument types
850 differing. Handle loop vectorization factor correctly.
851 * targhooks.c (default_builtin_vectorized_function): Adjust for
853 * targhooks.h (default_builtin_vectorized_function): Likewise.
854 * target.h (builtin_vectorized_function): Add argument type
856 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
857 extra argument, allow vectorizing of lrintf.
858 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
859 documentation of target hook.
861 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
864 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
865 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
866 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
868 2007-02-05 Roger Sayle <roger@eyesopen.com>
870 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
871 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
872 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
873 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
874 before canonicalizing sincos to cexpi.
875 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
877 2007-02-05 Roger Sayle <roger@eyesopen.com>
879 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
880 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
881 (alpha_init_builtins): Use alpha_add_builtins to process tables.
883 2007-02-05 Roger Sayle <roger@eyesopen.com>
885 * mips-tfile.c (initialize_init_file): Correct endianness test.
887 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
889 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
892 2007-02-05 Richard Sandiford <richard@codesourcery.com>
894 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
895 saves in a PARALLEL before the register assignments.
897 2007-02-05 Richard Sandiford <richard@codesourcery.com>
899 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
900 DWARF_FRAME_RETURN_COLUMN to be a general register.
901 * dwarf2out.c (init_return_column_size): New function, split from...
902 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
903 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
904 to be nongeneral registers.
905 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
907 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
908 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
910 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
912 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
914 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
916 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
917 (remove_path): Use can_remove_branch_p and remove_branch instead
918 of loop_delete_branch_edge.
919 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
920 (tree_transform_and_unroll_loop): Remove dead branches immediately.
921 Update profile using scale_dominated_blocks_in_loop.
922 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
923 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
924 (can_remove_branch_p, remove_branch): Declare.
925 * tree-cfg.c (tree_can_remove_branch_p): New function.
926 (tree_cfg_hooks): Add tree_can_remove_branch_p.
927 * cfgrtl.c (rtl_can_remove_branch_p): New function.
928 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
930 2007-02-05 Jan Hubicka <jh@suse.cz>
933 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
934 nodes in cgraph, don't remove offline copy of the function.
936 2007-02-04 Jan Hubicka <jh@suse.cz>
938 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
939 vectors might cause maybe_lookup_element_for_expr to be called
940 on non-sra-candidate.
942 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
944 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
945 config/bfin/bfin.md, config/bfin/predicates.md: Follow
946 spelling conventions.
948 2007-02-04 Richard Guenther <rguenther@suse.de>
951 * fold-const.c (try_move_mult_to_index): Make sure to not
952 overflow one dimension of a multi-dimensional array access.
954 2007-02-04 Jan Hubicka <jh@suse.cz>
956 * passes.c (init_optimization_passes): Reindent.
958 2007-02-04 Jan Hubicka <jh@suse.cz>
959 Eric Botcazou <ebotcazou@adacore.com>
961 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
962 (execute_fixup_cfg): Break out the abnormal goto code.
963 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
964 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
965 (optimize_inline_calls): Call make_nonlocal_label_edges.
967 2007-02-04 Jan Hubicka <jh@suse.cz>
969 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
970 true when something was changed.
971 (rename_ssa_copies): When something was changed, do
972 TODO_remove_unused_locals.
973 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
974 add TODO_remove_unused_locals when instruction was removed.
976 2007-02-04 Jan Hubicka <jh@suse.cz>
978 * ipa-inline.c (try_inline): Improve debug output; work on already
980 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
981 call try_inline for already inlined edges too when flattening;
982 inline also functions that make callee growth but overall unit size
985 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
987 * config/m32c/bitops.md, config/m32c/jump.md,
988 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
989 config/m32r/m32r.h, config/m32r/m32r.md,
990 config/m32r/predicates.md, config/m68hc11/larith.asm,
991 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
992 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
993 config/mips/mips-protos.h, config/mips/mips.c,
994 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
995 config/mn10300/mn10300.h, config/mn10300/predicates.md,
996 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
997 spelling conventions.
999 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
1000 Follow spelling conventions.
1002 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
1004 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
1005 warn about C++0x compatibility.
1007 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
1009 * config/h8300/h8300.c, config/h8300/h8300.h,
1010 config/h8300/h8300.md: Follow spelling conventions.
1012 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
1015 * combine.c (try_combine): Do not substitute source operand
1016 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
1018 2007-02-03 Jan Hubicka <jh@suse.cz>
1020 PR gcov-profile/30650
1021 * value-prof.c (stringop_block_profile): Fix handling of size counter;
1022 do not divide by zero for never executed counters.
1023 (tree_find_values_to_profile): Fix counters.
1024 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
1026 2007-02-03 Ian Lance Taylor <iant@google.com>
1028 * lower-subreg.c (simple_move_operand): New static function,
1029 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
1031 (simple_move): Call simple_move_operand.
1032 (find_decomposable_subregs): Add special handling of MEMs.
1033 (can_decompose_p): Rename from cannot_decompose_p. Reverse
1034 meaning of return value. If we see a hard register, test whether
1035 it can store a word_mode value. Change all callers.
1037 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1039 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
1040 ftrapv insns and expanders.
1041 (subdi3): Change define_expand operand 1 to arith11_operand, and
1042 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
1043 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
1044 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
1048 * varasm.c (notice_global_symbol): Treat global objects as weak when
1051 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1053 * emit-rtl.c (dconstpi): Delete.
1055 (init_emit_once): Delete dconstpi and init dconstsqrt2.
1056 * real.h (dconstpi): Delete.
1058 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
1059 (fold_builtin_hypot): Likewise.
1061 2007-02-03 Tom Tromey <tromey@redhat.com>
1064 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
1065 -gcoff3, -gxcoff3, -gvms3 implies -dD.
1067 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
1069 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
1070 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
1071 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
1072 config/rs6000/cell.md, config/rs6000/darwin.h,
1073 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
1074 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
1075 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
1076 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
1077 typos. Follow spelling conventions.
1078 * doc/invoke.texi: Follow spelling conventions.
1080 2007-02-03 Roger Sayle <roger@eyesopen.com>
1082 * simplify-rtx.c (simplify_relational_operation_1): Implement some
1083 canonicalization transformations that attempt to simplify integer
1084 constant comparisons to become comparisons against zero.
1086 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1088 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
1090 * fold-const.c (fold_binary): Fix comment typos. Fold complex
1091 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
1093 2007-02-02 Mike Stump <mrs@apple.com>
1095 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
1096 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
1097 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
1098 generate a branch island.
1100 2007-02-02 Bob Wilson <bob.wilson@acm.org>
1102 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
1103 (xtensa_legitimate_address_p): New.
1104 (xtensa_legitimize_address): New.
1105 (xtensa_output_addr_const_extra): New.
1106 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
1108 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
1109 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
1110 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
1111 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
1112 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
1113 (xtensa_legitimize_address): New.
1114 (xtensa_output_addr_const_extra): New.
1116 2007-02-02 Steve Ellcey <sje@cup.hp.com>
1118 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
1120 2007-02-02 Ian Lance Taylor <iant@google.com>
1122 * expmed.c (expand_divmod): Add comment.
1124 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
1126 * emit-rtl.c (renumber_insns): Remove.
1127 * flags.h: Remove the extern for flag_renumber_insns.
1128 * rtl.h: Remove the prototype for renumber_insns.
1129 * toplev.c (flag_renumber_insns): Remove.
1131 2007-02-02 Hui-May Chang <hm.chang@apple.com>
1133 Revert for x86 darwin:
1134 2005-06-19 Uros Bizjak <uros@kss-loka.si>
1136 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
1137 code before the following patch under TARGET_MACHO.
1138 (ix86_function_value_regno_p): Likewise.
1140 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
1145 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1148 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
1149 general or fp registers. Add comments.
1150 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
1152 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
1154 * pointer-set.c (insert_aux): Only return insertion slot.
1155 (pointer_set_insert): Adjust.
1156 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
1157 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
1158 pointer_map_traverse): New.
1159 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
1160 pointer_map_create, pointer_map_destroy, pointer_map_insert,
1161 pointer_map_contains, pointer_map_traverse): Declare.
1163 2007-02-02 Jakub Jelinek <jakub@redhat.com>
1166 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
1167 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
1169 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1171 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
1173 (struct _dep): New type.
1174 (dep_t): New typedef.
1175 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
1176 (DEP_STATUS): New access macro. The macro with the same name was
1177 renamed to DEP_LINK_STATUS.
1178 (dep_init): Declare function
1180 (struct _dep_link): New type.
1181 (dep_link_t): New typedef.
1182 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
1183 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
1184 (DEP_LINK_STATUS): New macro.
1185 (debug_dep_links): New debug function.
1187 (struct _deps_list): New type.
1188 (deps_list_t): New typedef.
1189 (DEPS_LIST_FIRST): New access macro.
1190 (FOR_EACH_DEP_LINK): New cycle macro.
1191 (create_deps_list, free_deps_list, delete_deps_list): Declare
1193 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
1194 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
1195 (copy_deps_list_change_con): Ditto.
1197 (move_dep_link): Declare function.
1199 (struct _dep_node): New type.
1200 (dep_node_t): New typedef.
1201 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
1203 (struct haifa_insn_data.back_deps): New field to hold backward
1204 dependencies of the insn.
1205 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
1207 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
1208 Change its type to deps_list_t.
1209 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
1210 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
1211 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
1213 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
1215 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
1217 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
1219 (dep_cost): Declare.
1221 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
1222 (ds_to_dk, dk_to_ds): New functions.
1224 (init_dep_1): New static function.
1225 (init_dep): New function.
1226 (copy_dep): New static function.
1228 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
1230 (detach_dep_link): New static function.
1231 (move_dep_link): New function.
1233 (dep_links_consistent_p, dump_dep_links): New static functions.
1234 (debug_dep_links): New debugging function.
1236 (deps_obstack, dl_obstack, dn_obstack): New static variables.
1238 (alloc_deps_list, init_deps_list): New static functions.
1239 (create_deps_list): New function.
1240 (clear_deps_list): New static function.
1241 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
1242 (deps_list_consistent_p, dump_deps_list): New static functions.
1243 (debug_deps_list): New function.
1244 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
1246 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
1248 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
1249 use new scheduler dependencies lists.
1250 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
1251 (sched_analyze): Ditto. Initialize dependencies lists.
1252 (add_forw_dep, compute_forward_dependences): Update to use new
1253 scheduler dependencies lists.
1255 (init_dependency_caches): Init deps_obstack.
1256 (free_dependency_caches): Free deps_obstack.
1258 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
1259 new scheduler dependencies lists.
1260 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
1261 (add_back_forw_dep, delete_back_forw_dep): Ditto.
1263 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
1264 Update to use new scheduler dependencies lists.
1265 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
1266 (debug_dependencies): Ditto.
1267 (schedule_region): Update comments.
1269 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
1270 scheduler dependencies lists.
1271 (schedule_ebb): Update comments.
1273 * rtl.def (DEPS_LIST): Remove.
1275 * lists.c (unused_deps_list): Remove.
1276 (free_list): Update assertions.
1278 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
1279 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1281 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
1282 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
1284 * haifa-sched.c (comments): Update.
1285 (insn_cost1): Remove. Inline the code into insn_cost ().
1286 (insn_cost): Update to use new scheduler dependencies lists. Move
1287 processing of the dependency cost to dep_cost ().
1288 (dep_cost): New function. Use it instead of insn_cost () when
1289 evaluating cost of the dependency. Use compatible interface to
1290 interact with the target.
1291 (priority): Update to use new scheduler dependencies lists.
1292 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
1293 with greater number of insns that depend on the insn.
1294 (schedule_insn): Update to use new scheduler dependencies lists. Add
1295 code to free backward dependencies lists. Inline and optimize code
1296 from resolve_dep () - see PR28071.
1297 (ok_for_early_queue_removal): Update to use new scheduler dependencies
1298 lists. Update call to targetm.sched.is_costly_dependence hook.
1300 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
1301 scheduler dependencies lists.
1303 (resolve_dep): Remove. Move the logic to schedule_insn ().
1304 (init_h_i_d): Initialize dependencies lists.
1306 (process_insn_depend_be_in_spec): Rename to
1307 process_insn_forw_deps_be_in_spec. Update to use new scheduler
1309 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
1310 Update to use new scheduler dependencies lists.
1311 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
1313 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
1314 new scheduler dependencies lists.
1315 (build_intra_loop_deps): Ditto.
1317 * target.h (struct _dep): Declare to use in
1318 gcc_target.sched.is_costly_dependence.
1319 (struct gcc_target.sched.adjust_cost): Fix typo.
1320 (struct gcc_target.sched.is_costly_dependence): Change signature to use
1321 single dep_t parameter instead of an equivalent triad.
1322 (struct gcc_target.sched.adjust_cost_2): Remove.
1324 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
1326 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
1328 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
1330 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
1332 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
1333 (REG_DEP_TRUE): Document.
1335 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
1336 Change signature to correspond to the targetm.sched.adjust_cost hook.
1337 Update use in TARGET_SCHED_ADJUST_COST_2.
1338 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
1339 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
1340 new scheduler dependencies lists.
1341 (ia64_gen_check): Ditto.
1343 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
1346 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
1347 signature to correspond to the targetm.sched.is_costly_dependence hook.
1348 (is_costly_group): Update to use new scheduler dependencies lists.
1350 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
1351 instead of INSN_COST () macro.
1353 2007-02-01 Ian Lance Taylor <iant@google.com>
1355 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
1357 2007-02-01 Guy Martin <gmsoft@gentoo.org>
1359 * pa.md (tp_load): Correct mfctl instruction syntax.
1361 2007-02-01 Geoffrey Keating <geoffk@apple.com>
1363 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
1364 altivec_padding_size calculation on AIX. Improve comment, add
1365 assert to verify that it's right.
1367 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
1370 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
1373 * global.c (global_alloc): Add mising initialization of
1376 2007-02-01 Roger Sayle <roger@eyesopen.com>
1378 * alias.c (init_alias_analysis): Correct whitespace.
1379 * bb-reorder.c (fix_edges_for_rarely_executed_code,
1380 partition_hot_cold_basic_blocks): Likewise.
1381 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1382 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
1383 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1384 fold_builtin_snprintf_chk, fold_builtin_printf,
1385 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
1386 do_mpfr_arg3, do_mpfr_sincos): Likewise.
1387 * cfgcleanup.c (cleanup_cfg): Likewise.
1388 * cfgexpand.c (tree_expand_cfg): Likewise.
1389 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
1390 * function.c (get_next_funcdef_no): Likewise.
1391 * gengtype.c (main): Likewise.
1392 * genmodes.c (main): Likewise.
1393 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
1394 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
1395 * ifcvt.c (noce_emit_move_insn): Likewise.
1396 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
1398 * stor-layout.c (get_best_mode): Likewise.
1399 * tree-ssa-loop-niter.c (get_val_for): Likewise.
1400 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
1401 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
1402 perform_var_substitution, solve_graph): Likewise.
1403 * tree-vrp.c (vrp_finalize): Likewise.
1405 2007-02-01 Ian Lance Taylor <iant@google.com>
1407 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
1408 high part of a paradoxical subreg, return a constant zero.
1410 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
1412 * toplev.c (lang_dependent_init): Call init_set_costs.
1413 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
1415 2007-02-01 Richard Guenther <rguenther@suse.de>
1418 * fold-const.c (fold_negate_expr): Allow negating a
1419 constant if overflow does not change.
1421 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1423 * doc/c-tree.texi (Expression trees): Improve markup.
1424 * doc/tm.texi (Register Classes, Addressing Modes)
1425 (Floating Point): Fix spacing after abbreviations. Fix some
1428 2007-02-01 Ben Elliston <bje@au.ibm.com>
1430 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
1431 * doc/contrib.texi: Likewise.
1432 * doc/install.texi: Likewise.
1434 2007-01-31 Richard Henderson <rth@redhat.com>
1435 Ian Lance Taylor <iant@google.com>
1437 * lower-subreg.c: New file.
1438 * rtl.def (CONCATN): Define.
1439 * passes.c (init_optimization_passes): Add pass_lower_subreg and
1441 * emit-rtl.c (update_reg_offset): New static function, broken out
1442 of gen_rtx_REG_offset.
1443 (gen_rtx_REG_offset): Call update_reg_offset.
1444 (gen_reg_rtx_offset): New function.
1445 * regclass.c: Revert patch of 2006-03-05, restoring
1447 (clear_reg_info_regno): New function.
1448 * dwarf2out.c (concatn_loc_descriptor): New static function.
1449 (loc_descriptor): Handle CONCATN.
1450 * common.opt (fsplit_wide_types): New option.
1451 * opts.c (decode_options): Set flag_split_wide_types when
1453 * timevar.def (TV_LOWER_SUBREG): Define.
1454 * rtl.h (gen_reg_rtx_offset): Declare.
1455 (reg_scan_update): Declare.
1456 * regs.h (clear_reg_info_regno): Declare.
1457 * tree-pass.h (pass_lower_subreg): Declare.
1458 (pass_lower_subreg2): Declare.
1459 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
1460 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
1462 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
1463 * Makefile.in (OBJS-common): Add lower-subreg.o.
1464 (lower-subreg.o): New target.
1466 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
1468 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
1470 2007-01-31 Anatoly Sokolov <aesok@post.ru>
1473 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
1475 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1478 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
1480 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
1482 * cfgloop.h: Include vec-prim.h.
1483 (enum li_flags): Remove LI_ONLY_OLD.
1484 (loop_iterator): Changed.
1485 (fel_next, fel_init): Iterate over loop tree.
1486 (FOR_EACH_LOOP_BREAK): New macro.
1487 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
1489 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
1490 * modulo-sched.c (sms_schedule): Ditto.
1491 * tree-vectorizer.c (vectorize_loops): Ditto.
1492 * doc/loop.texi: Update information on loop numbering and behavior of
1493 FOR_EACH_LOOP wrto new loops.
1494 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1495 add_to_evolution_1): Test nestedness of loops instead of comparing
1497 * tree-chrec.c (chrec_fold_plus_poly_poly,
1498 chrec_fold_multiply_poly_poly, chrec_evaluate,
1499 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
1500 reset_evolution_in_loop): Ditto.
1501 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
1503 2007-01-31 Dirk Mueller <dmueller@suse.de>
1505 * c-common.c (warn_about_parentheses): Separate warning about
1506 un-parenthized sequence of comparison operators from the one
1507 which is supposed to warn about x <= y <= z.
1509 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
1511 * optabs.h (enum optab_index): Add new OTI_isinf.
1512 (isinf_optab): Define corresponding macro.
1513 * optabs.c (init_optabs): Initialize isinf_optab.
1514 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
1516 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
1517 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
1519 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
1520 expand_builtin_interclass_mathfn.
1521 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
1522 * config/i386/i386.md (UNSPEC_FXAM): New constant.
1523 (fxam<mode>2_i387): New insn pattern.
1524 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
1525 built-in functions as x87 inline asm.
1527 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
1529 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
1531 2007-01-30 Eric Christopher <echristo@apple.com>
1533 * config.gcc: Add geode.
1535 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
1537 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
1538 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
1539 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
1540 value-prof.c: Fix comment typos.
1542 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1545 * doc/invoke.texi (Wpointer-arith): Document warning.
1547 2007-01-30 Janis Johnson <janis187@us.ibm.com>
1549 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
1550 the list of discrepancies from the draft TR.
1552 2007-01-30 Dirk Mueller <dmueller@suse.de>
1555 * doc/invoke.texi (-Wreturn-type): Update description to
1558 2007-01-30 Richard Sandiford <richard@codesourcery.com>
1560 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
1562 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
1564 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
1565 to handle optabs that operate on floating point input argument and
1566 output to integer output.
1567 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
1568 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
1569 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
1570 expand_builtin_interclass_mathfn ().
1571 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
1573 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
1574 ilogbl built-in functions as x87 intrinsics.
1576 2007-01-30 Richard Guenther <rguenther@suse.de>
1579 * dwarf2out.c (reference_to_unused): Query varpool if the
1580 variable was output.
1582 2007-01-30 Richard Guenther <rguenther@suse.de>
1585 * passes.c (execute_one_pass): Reset in_gimple_form to not
1586 confuse non-unit-at-a-time mode.
1588 2007-01-29 Roger Sayle <roger@eyesopen.com>
1589 Richard Guenther <rguenther@suse.de>
1591 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
1592 avoid undefined behaviour on overflow. Use force_fit_type_double
1593 to construct the constant with the specified TREE_OVERFLOW.
1595 2007-01-29 Janis Johnson <janis187@us.ibm.com>
1597 * config/dfp-bit.c: Add parameterized support for fp exceptions.
1598 * config/dfp-bit.h: Ditto.
1600 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1602 * c-decl.c (pop_scope): Replace warnings with call to
1603 warn_for_unused_label.
1604 * c-common.h (warn_for_unused_label): Declare.
1605 * c-common.c (warn_for_unused_label): Define.
1607 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1609 * tree-optimize.c (update_inlined_to_pointers): Delete unused
1612 2007-01-29 Janis Johnson <janis187@us.ibm.com>
1614 * Makefile.in (USER_H): Remove decfloat.h.
1615 * ginclude/decfloat.h: Delete, moving contents to ...
1616 * ginclude/float.h: Add support for decimal floating point,
1617 guarded by __STDC_WANT_DEC_FP__.
1619 2007-01-29 Mike Stump <mrs@apple.com>
1621 * doc/gccint.texi (Top): Rename Loop Representation to Loop
1622 Analysis and Representation to resolve case insensitive conflict.
1623 * doc/loop.texi (Loop Analysis and Representation): Likewise.
1625 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
1627 * tree.h (struct tree_memory_tag): Add aliases member.
1628 (MTAG_ALIASES): New macro.
1629 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
1630 (add_may_alias): Remove pointer-set. Update for may_aliases being
1632 (mark_aliases_call_clobbered): Update for may_aliases being a
1634 (compute_tag_properties): Ditto.
1635 (create_partition_for): Ditto.
1636 (compute_memory_partitions): Ditto.
1637 (dump_may_aliases_for): Ditto.
1638 (is_aliased_with): Ditto.
1639 (add_may_alias_for_new_tag): Ditto.
1640 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
1641 (compute_is_aliased): New function.
1642 (compute_may_aliases): Call compute_is_aliased).
1643 (init_alias_info): Initialize alias_bitmap_obstack.
1644 (union_alias_set_into): New function.
1645 (compute_flow_sensitive_aliasing): Use union_aliases_into.
1646 (have_common_aliases_p): Rewrite to take two bitmaps and use
1648 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
1650 (finalize_ref_all_pointers): Update for add_may_alias changes.
1651 (new_type_alias): Ditto.
1652 * tree-flow-inline.h (may_aliases): Return a bitmap.
1653 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
1654 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1655 may_aliases being a bitmap.
1656 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
1657 may_aliases now returns a bitmap.
1658 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
1660 * tree-ssa-operands.c (add_virtual_operand): Update for
1661 may_aliases being a bitmap.
1663 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
1665 PR tree-optimization/30630
1666 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
1667 variable as changed.
1669 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
1672 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
1673 expanded only once even if an error occurs.
1675 2007-01-29 Ben Elliston <bje@au.ibm.com>
1677 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
1678 (__gcov_average_profiler): Likewise.
1679 (__gcov_ior_profiler): Likewise.
1680 (__gcov_merge_ior): Likewise.
1682 2007-01-28 Jan Hubicka <jh@suse.cz>
1684 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
1685 * value-prof.c (stringop_block_profile): Likewise.
1687 2007-01-28 Jan Hubicka <jh@suse.cz>
1689 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
1690 variant handling histograms; add wrapper.
1691 (clear_storage_via_libcall): Export.
1692 (emit_block_move_hints): Break out from ...; add histograms.
1693 (emit_block_move): ... this one.
1694 (clear_storage_hints): Break out from ...; add histograms.
1695 (clear_storage): ... this one.
1696 (set_storage_via_memset): Handle histogram.
1697 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
1698 (clear_storage_hints, clear_storage_via_libcall): Declare.
1699 (set_storage_via_setmem): Update prototype.
1700 * doc/md.texi (movmem, setmem): Document new arguments.
1702 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
1704 (stringop_block_profile): New global function.
1705 (tree_stringops_values_to_profile): Profile block size and alignment.
1706 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
1708 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
1709 (stringop_block_profile): Declare.
1710 * builtins.c: Include value-prof.h.
1711 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
1712 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
1713 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
1714 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
1715 * profile.c (instrument_values): Add new counters.
1716 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
1718 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
1719 (tree_init_edge_profiler): Build new profilers.
1720 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
1721 (pass_tree_profile): Add dump.
1722 (tree_profile_hooks): Update.
1723 * Makefile.in (LIBGCOV): Add new constants.
1724 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
1725 __gcov_ior_profiler): New.
1726 * i386.md (movmem/setmem expanders): Add new optional arguments.
1728 2007-01-28 David Edelsohn <edelsohn@gnu.org>
1730 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
1732 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
1734 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
1735 (tree_unswitch_single_loop): Pass eni_size_weights to
1736 tree_num_loop_insns.
1737 * tree-ssa-loop-manip.c: Include tree-inline.h.
1738 (can_unroll_loop_p): Pass eni_size_weights to
1739 tree_num_loop_insns.
1740 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
1741 Pass eni_size_weights to estimate_num_insns.
1742 * tree.h (init_inline_once): Export.
1743 * toplev.c (backend_init): Call init_inline_once.
1744 * cgraphunit.c (cgraph_process_new_functions,
1745 cgraph_analyze_function): Pass eni_inlining_weights to
1747 * ipa-inline.c (compute_inline_parameters): Ditto.
1748 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
1749 to estimate_num_insns.
1750 (try_unroll_loop_completely): Pass eni_size_weights to
1751 tree_num_loop_insns.
1752 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
1753 ot estimate_num_insns.
1754 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
1755 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
1756 * tree-inline.c (eni_inlining_weights, eni_size_weights,
1757 eni_time_weights): New variables.
1758 (init_inline_once): Initialize them.
1759 (struct eni_data): Mew.
1760 (estimate_num_insns_1, estimate_num_insns): Use weights.
1761 * tree-inline.h (struct eni_weights_d): New.
1762 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
1763 (estimate_num_insns): Declaration changed.
1764 * cfgloop.h (tree_num_loop_insns): Declaration changed.
1765 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
1766 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
1768 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
1770 * tree-data-ref.c (conflict_fn): Assert that the number of affine
1771 relations in the conflict function is valid.
1773 2007-01-27 Ian Lance Taylor <iant@google.com>
1775 * common.opt: Add fstrict-overflow.
1776 * opts.c (decode_options): Set flag_strict_overflow if -O2.
1777 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
1778 (TYPE_OVERFLOW_UNDEFINED): Define.
1779 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
1781 * tree.h (TYPE_TRAP_SIGNED): Don't define.
1782 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
1783 (fold_negate_expr): Likewise.
1784 (make_range): Likewise.
1785 (extract_muldiv_1): Likewise.
1786 (maybe_canonicalize_comparison): Likewise.
1787 (fold_comparison): Likewise.
1788 (fold_binary): Likewise.
1789 (tree_expr_nonnegative_p): Likewise.
1790 (tree_expr_nonzero_p): Likewise.
1791 * tree-vrp.c (compare_values): Likewise.
1792 (extract_range_from_binary_expr): Likewise.
1793 (extract_range_from_unary_expr): Likewise.
1794 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
1796 (nowrap_type_p): Likewise.
1797 * tree-scalar-evolution.c (simple_iv): Likewise.
1798 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
1799 (build_range_check): Likewise.
1800 (extract_muldiv_1): Likewise.
1801 (fold_comparison): Likewise.
1802 * tree-vrp.c (vrp_int_const_binop): Likewise.
1803 (extract_range_from_unary_expr): Likewise.
1804 * convert.c (convert_to_integer): Likewise.
1805 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
1806 (fold_comparison): Likewise.
1807 (fold_binary): Likewise.
1808 * optabs.c (optab_for_tree_code): Likewise.
1809 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
1810 * simplify-rtx.c (simplify_const_relational_operation): Check
1811 flag_strict_overflow and flag_trapv.
1812 (simplify_const_relational_operation): Likewise.
1813 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
1814 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
1817 2007-01-27 Roger Sayle <roger@eyesopen.com>
1819 * tree.c (tree_fold_gcd): Delete.
1820 * tree.h (tree_fold_gcd): Remove prototype.
1821 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
1822 test whether one constant integer is a multiple of another. Instead
1823 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
1824 * fold-const.c (multiple_of_p): We've determined both TOP and
1825 BOTTOM are integer constants so we can call int_const_binop directly
1826 instead of the more generic const_binop.
1828 2007-01-27 Roger Sayle <roger@eyesopen.com>
1830 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
1831 1*X check that the constant hasn't overflowed, to preserve the
1833 (round_up): Provide an efficient implementation when rouding-up an
1834 INTEGER_CST to a power-of-two.
1836 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1838 * doc/sourcebuild.texi: Add comma for clarity.
1839 * doc/extend.texi: Fix some typos.
1840 * doc/passes.texi: Likewise.
1841 * doc/cppinternals.texi: Likewise.
1842 * doc/c-tree.texi: Likewise.
1843 * doc/tree-ssa.texi: Likewise.
1844 * doc/install.texi: Likewise.
1846 2007-01-27 Jan Hubicka <jh@suse.cz>
1848 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
1849 (pass_sra): Do not require alias information.
1850 * passes.c (init_optimization_passes): Add SRA
1852 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
1854 * tracer.c (rest_of_handle_tracer): We already cleaned
1855 up the CFG in tracer() so don't do it here again.
1856 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
1857 cleanup_cfg here, either. And don't call renumber_insns.
1859 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
1860 and BB_HEAD are in the insn stream here. Instead make sure
1861 that BB_INSN is valid on all insns. Also, do check here that
1862 there are no pending branch predictions...
1863 (rtl_verify_flow_info): ...instead of doing it here. Checks
1864 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
1867 2007-01-26 Roger Sayle <roger@eyesopen.com>
1869 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
1870 function to simplify/factorize operand order canonicalization.
1871 (ix86_fixup_binary_operands): Reorganize using the above function.
1872 (ix86_binary_operator_ok): Likewise.
1874 2007-01-27 Jakub Jelinek <jakub@redhat.com>
1876 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
1877 file scope from optimize_attrs.
1878 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
1880 (optimize_attrs): Clear insn_code_values after freeing it.
1882 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
1884 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
1885 a parts.base assignment.
1887 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
1889 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
1890 (compute_subscript_distance, initialize_data_dependence_relation,
1891 finalize_ddr_dependent, analyze_ziv_subscript,
1892 analyze_siv_subscript_cst_affine,
1893 compute_overlap_steps_for_affine_univar,
1894 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
1895 analyze_siv_subscript, analyze_miv_subscript,
1896 analyze_overlapping_iterations, subscript_dependence_tester_1,
1897 compute_self_dependence, free_dependence_relation): Work
1898 with affine_fn instead of chrecs.
1899 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
1900 common_affine_function, affine_function_base,
1901 affine_function_constant_p, affine_fn_op, affine_fn_plus,
1902 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
1903 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
1904 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
1905 (all_chrecs_equal_p): Removed.
1906 * tree-data-ref.h (affine_fn, conflict_function): New types.
1907 (struct subscript): Change type of conflicting_iterations_in_a
1908 and conflicting_iterations_in_b.
1910 2007-01-26 Steve Ellcey <sje@cup.hp.com>
1913 * config/pa/pa.h (TARGET_HPUX_11): New.
1914 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
1915 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
1917 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
1918 Richard Guenther <rguenther@suse.de>
1920 * tree-ssa-structalias.c (solve_graph): Handle case
1921 we merged the variable to another.
1923 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1925 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
1928 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
1929 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
1931 2007-01-25 DJ Delorie <dj@redhat.com>
1933 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
1934 allow changes to modes which don't fit in those registers.
1936 * reload1.c (choose_reload_regs): Check for invalid subregs before
1937 computing their locations, not after.
1939 2007-01-25 Geoffrey Keating <geoffk@apple.com>
1942 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
1943 save Altivec registers in an eh_return function.
1944 (compute_vrsave_mask): Likewise.
1945 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
1946 for saving Altivec registers.
1947 (rs6000_emit_prologue): Don't allocate stack twice in
1948 eh_return function. Correct expected value of altivec_save_offset
1949 when using save_world. Describe save of R0 to stack when using
1950 save_world. Describe stack pointer adjustment when using
1951 save_world. Remove duplicated eh_return parameter register saving.
1952 Update sp_offset variable after save_world.
1953 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
1955 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
1956 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
1959 2007-01-25 Steve Ellcey <sje@cup.hp.com>
1961 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
1963 2007-01-25 Steve Ellcey <sje@cup.hp.com>
1966 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
1967 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
1969 2007-01-25 Richard Guenther <rguenther@suse.de>
1971 * doc/invoke.texi (-Wcoverage-mismatch): Document.
1972 * common.opt (-Wcoverage-mismatch): New warning option.
1973 * coverage.c (get_coverage_counts): Ignore coverage mismatch
1974 if -Wcoverage-mismatch is given.
1976 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
1978 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
1979 (ipcp_driver): Change to static definition.
1980 Add dumping of the ifunctions.
1981 (constant_val_insert): Remove unused parameter. Support for SSA.
1982 (ipcp_propagate_const): Support for SSA.
1983 (ipcp_profile_bb_print): Print only analyzed nodes.
1984 (ipcp_replace_map_create): Remove support for Fortran constant
1986 * ipa-prop.c (ipa_method_modify_stmt,
1987 ipa_callsite_compute_param): Support for SSA.
1988 * ipa-prop.h (ipcp_driver): Remove declaration.
1989 (IS_VALID_TREE_MAP_INDEX): Add define.
1991 2007-01-24 Geoffrey Keating <geoffk@apple.com>
1993 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
1995 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1998 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
1999 constant argument to cabs and do it without checking for
2000 -funsafe-math-optimizations.
2002 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
2004 * c-common.h (RID_FIRST_CXX0X): New.
2005 (RID_LAST_CXX0X): New.
2006 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
2008 * c.opt (Wc++0x-compat): New.
2009 * doc/invoke.texi (-Wc++0x-compat): Document.
2011 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2013 * builtins.c (fold_builtin_carg): New.
2014 (fold_builtin_1): Use it.
2016 2007-01-24 Jan Hubicka <jh@suse.cz>
2018 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
2020 * ipa-inline.c (initial_insns, max_insns): Delete.
2021 (compute_max_insns): New function.
2022 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
2023 of insns as base for code growth.
2024 (cgraph_decide_inlining): Make initial_insns local; do not compute
2026 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
2027 * doc/invoke.texi (inline-unit-growth): Update docs.
2029 2007-01-24 Jakub Jelinek <jakub@redhat.com>
2031 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
2032 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
2033 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
2034 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
2035 for CPUs that have PTA_CX16 set.
2038 * gimplify.c (omp_check_private): New function.
2039 (gimplify_scan_omp_clauses): Use it for
2040 firstprivate/lastprivate/reduction.
2043 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
2044 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
2047 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
2048 If lower_lastprivate_clauses emits some statements, append them
2049 to dlist rather than body_p and to body_p append an initializer.
2050 (lower_omp_for): Adjust caller.
2052 2007-01-24 Steve Ellcey <sje@cup.hp.com>
2054 * target.h (globalize_decl_name): New.
2055 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2056 * output.h (default_globalize_decl_name): New.
2057 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
2059 (globalize_decl): Ditto.
2060 (default_globalize_decl_name): New.
2061 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
2062 (ia64_handle_version_id_attribute): New.
2063 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
2064 (ia64_asm_output_external): Use globalize_decl_name instead
2066 * doc/extend.texi (version_id): New pragma.
2067 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
2069 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
2071 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
2072 _uleb128_t and _Unwind_SWord with _sleb128_t.
2073 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
2074 uw_frame_state_for, uw_update_context_1): Likewise.
2075 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
2076 * unwind-pe.h (read_uleb128, read_sleb128,
2077 read_encoded_value_with_base): Likewise.
2078 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
2080 2007-01-24 Richard Guenther <rguenther@suse.de>
2082 * builtins.c (expand_builtin_cexpi): Get the fndecl
2083 for cexp in the correct way.
2085 2007-01-24 Jan Hubicka <jh@suse.cz>
2087 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
2089 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
2091 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
2092 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
2093 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
2094 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
2095 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
2096 __SIZEOF_PTRDIFF_T__.
2097 * doc/cpp.texi: Documentation for the new builtin macros added.
2099 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
2101 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
2102 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
2103 instead of operands[2] to avoid access past the end of array.
2105 2007-01-24 Richard Sandiford <richard@codesourcery.com>
2107 * reload1.c (emit_reload_insns): Pass the reload register
2108 for a non-spill output reload through forget_old_reloads_1.
2110 2007-01-23 Joseph Myers <joseph@codesourcery.com>
2112 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2113 _SOFT_DOUBLE if doubles use software floating-point.
2114 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
2115 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2116 * config/rs6000/darwin-ldouble.c: Also compile functions for
2117 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
2118 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
2119 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
2120 commented-out long double override.
2121 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
2122 * config/rs6000/eabispe.h: Likewise.
2123 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
2124 long double for non-SPE.
2125 (rs6000_handle_option): Likewise.
2126 (invalid_e500_subreg): Disallow more subregs involding DImode,
2127 DFmode, TImode or TFmode.
2128 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
2130 (legitimate_lo_sum_address_p): Also check for TFmode for E500
2132 (rs6000_legitimize_address): Also handle TFmode for E500 double.
2133 (rs6000_legitimize_reload_address): Also handle TFmode for E500
2135 (rs6000_legitimate_address): Also check for TFmode for E500
2137 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
2138 (spe_build_register_parallel): Handle TFmode and TCmode.
2139 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
2141 (function_arg): Handle TFmode and TCmode for E500 double.
2142 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
2144 (print_operand): Handle TFmode and TImode for %y.
2145 (rs6000_generate_compare): Handle TFmode comparisons for E500
2147 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
2148 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
2149 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
2150 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
2151 TFmode for E500 double.
2152 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
2153 (floatsidf2): Enable for E500 double.
2154 (movtf_softfloat): Use rs6000_nonimmediate_operand.
2155 (extenddftf2): Change to extenddftf2_fprs.
2156 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
2157 depending on TARGET_E500_DOUBLE.
2158 (extendsftf2): Enable for E500 double.
2159 (trunctfdf2): Enable for E500 double.
2160 (trunctfsf2): Change to trunctfsf2_fprs.
2161 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
2162 depending on TARGET_E500_DOUBLE.
2163 (floatsitf2): Enable for E500 double.
2164 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
2165 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
2166 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
2167 (negtf2): Change to negtf2_internal.
2168 (negtf2): New expander.
2169 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
2170 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
2171 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
2172 (movdi_internal32): Use rs6000_nonimmediate_operand.
2173 (unnamed splitter): Likewise.
2174 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
2175 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
2176 (SPE64TF, DITI): New mode macros.
2177 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
2180 (frob_<mode>_di_2): New.
2181 (frob_tf_di_8_2): New.
2182 (frob_di_df): Change to frob_di_<mode>; allow more modes.
2184 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
2186 (frob_ti_<mode>_8_2): New.
2187 (frob_ti_tf_2): New.
2188 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
2189 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
2191 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
2192 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
2193 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
2194 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
2195 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
2196 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
2199 2007-01-23 Ian Lance Taylor <iant@google.com>
2201 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
2203 (OBJS-archive): Reformat, alphabetize.
2204 (OBJS): Change out_object_file to OBJS-md.
2206 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
2208 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
2209 JUMP_P and CALL_P predicates where applicable.
2210 * config/i386/i386.c: Ditto.
2211 * config/i386/i386.md: Ditto.
2212 * config/i386/mmx.md: Ditto.
2213 * config/i386/predicates.md: Ditto.
2215 2007-01-22 Andreas Schwab <schwab@suse.de>
2217 * config/m68k/m68k.h: Fix comment.
2219 2007-01-22 Jan Hubicka <jh@suse.cz>
2221 * passes.c (init_optimization_passes): Do not rerun
2222 pass_early_warn_uninitialized.
2224 2007-01-22 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/30038
2227 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
2229 (execute_cse_sincos_1): Likewise.
2230 (execute_cse_sincos): Likewise.
2231 (gate_cse_sincos): Likewise.
2232 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
2233 the cexpi() canonicalization of sincos().
2234 * tree-pass.h (pass_cse_sincos): Declare.
2235 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
2237 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2239 PR rtl-optimization/29329
2240 * combine.c (replaced_rhs_insn): Rename to i2mod.
2241 (replaced_rhs_value): Rename to i2mod_new_rhs.
2242 (i2mod_old_rhs): New global variable.
2243 (combine_instructions): Adjust for above change. Save a copy of
2244 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
2245 note are substituted in the second instruction.
2246 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
2247 ditch the note if it pertains to the second eliminated register
2248 and this register is mentioned in i2mod_old_rhs.
2251 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2253 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2254 the insn to which the note was originally attached.
2256 2007-01-21 Jan Hubicka <jh@suse.cz>
2258 * ipa-inline.c (inlining_mode): Comment, move up.
2259 (cgraph_decide_inlining_incrementally): Do not perform inlining
2260 itself; fix handling of flattening of self recursive functions.
2261 (cgraph_find_cycles): Remove.
2262 (cgraph_flatten_node): Remove.
2263 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
2264 (try_inline): New function.
2265 (cgraph_early_inlining): Update call of
2266 cgraph_decide_inlining_incrementally. Apply inlining here.
2267 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
2269 2007-01-21 Dirk Mueller <dmueller@suse.de>
2272 * tree-vrp.c (check_array_bounds): do not warn
2273 about ADDR_EXPR's of ARRAY_REF's which are immediately
2274 used in binary expressions.
2276 2007-01-21 Ira Rosen <irar@il.ibm.com>
2278 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
2279 read_write_dep and macros for its access.
2280 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2281 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
2282 argument, call vect_check_interleaving for every independent pair of
2283 data-refs. Mark loads that access the same memory location as a store
2285 (vect_check_dependences): Remove.
2286 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
2287 call, fix the call to vect_analyze_data_ref_dependence.
2288 (vect_analyze_data_ref_access): For statements that access the same
2289 data-ref, check that they are not stores; for loads, check that there
2290 is no store that access the same location.
2292 2007-01-20 Roger Sayle <roger@eyesopen.com>
2293 Joseph Myers <joseph@codesourcery.com>
2295 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
2296 (-fdump-rtl-stack): Likewise.
2297 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
2298 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
2299 (-mpt-fixed): Use @minus{} for minus sign.
2300 (Using Precompiled Headers): Fix under/overfull hbox.
2302 2007-01-20 Jan Hubicka <jh@suse.cz>
2304 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
2305 place within annotation.
2307 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2309 * pa.c (output_move_double): Change array size of xoperands to 4.
2311 2007-01-20 Jan Hubicka <jh@suse.cz>
2313 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
2316 2007-01-19 Ian Lance Taylor <iant@google.com>
2318 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
2319 constant to unsigned HOST_WIDE_INT before negating.
2321 2007-01-19 Ian Lance Taylor <iant@google.com>
2323 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
2325 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
2326 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2327 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
2328 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
2329 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
2330 (realloc_vdef, realloc_vuse): Change second parameter to
2332 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
2334 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
2335 unsigned. Change x and lim locals to unsigned.
2336 (realloc_vdef, realloc_vuse): Change num_elem parameter to
2338 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
2339 (copy_virtual_operands): Change i and n locals to unsigned.
2341 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2344 * builtins.c (fold_builtin_1): Handle builtin fdim.
2346 2007-01-20 Jan Hubicka <jh@suse.cz>
2348 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
2349 * tree-ssa-structalias.c (compute_points_to_sets): Do call
2350 init_alias_heapvars.
2351 (init_alias_heapvars): Initialize only when not already initialized.
2352 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
2354 2007-01-19 Roger Sayle <roger@eyesopen.com>
2356 * common.opt (fsigned-zeros): New command line option.
2357 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
2358 of flag_unsafe_math_optimizations.
2359 * opts.c (set_fast_math_flags): The -ffast-math command line option
2360 implies -fno-signed-zeros.
2361 (fast_math_flags_set_p): Likewise.
2363 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
2364 the documentation of -ffast-math appropriately. Wrap long lines.
2366 2007-01-19 Steve Ellcey <sje@cup.hp.com>
2368 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
2369 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
2371 2007-01-19 Tomas Bily <tbily@suse.cz>
2373 * cgraphunit.c (cgraph_finalize_function): Updating of pid
2375 (tree_init_ic_make_global_vars): New function
2376 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
2377 (tree_gen_ic_profiler): New function
2378 (tree_gen_ic_func_profiler): New function
2379 (tree_profiling): Added calling of tree_gen_ic_func_profiler
2380 (tree_profile_hooks): Added hook for indirec/virtual calls
2381 * value-prof.c (tree_find_values_to_profile): New case for
2383 (tree_values_to_profile): Call for determining indirect/virtual
2385 (tree_indirect_call_to_profile): New function
2386 (tree_ic_transform): New function
2387 (tree_ic): New function
2388 (find_func_by_pid): New function
2389 (init_pid_map): New function
2390 (tree_value_profile_transformations): Added check for
2391 indirect/virtual call transformation
2392 * value-prof.h (enum hist_type): New counter type for
2393 indirect/virtual calls
2394 (profile_hooks): Added new hook for profiling indirect/virtual
2396 * profile.c (instrument_values): New case for indirect/virtual
2398 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
2399 (GCOV_COUNTER_V_INDIR): New counter type
2400 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
2401 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
2403 * cgraph.c: Definition of cgraph_max_pid
2404 (cgraph_create_node): Default init of pid attribute
2405 * cgraph.h: Declaration of cgraph_max_pid
2406 (struct cgraph_node): Added pid attribute
2407 * libgcov.c (__gcov_indirect_call_profiler): New function
2408 (__gcov_one_value_profiler_body): New function
2409 (__gcov_one_value_profiler): Body was moved to
2410 __gcov_one_value_profiler_body and calls it
2412 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
2414 * doc/gty.texi (Options): Document the mark_hook option to GTY.
2415 * gengtype.c (write_types_data, write_func_for_structure,
2416 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
2417 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
2418 (walk_type, write_func_for_structure): Generate the mark_hook if
2421 2007-01-19 Jan Hubicka <jh@suse.cz>
2423 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
2424 'early' argument take inlining mode argument specifying whether to
2425 inline for size/speeed or all functions; add support for flattening;
2427 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
2429 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2432 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
2433 the name of the declared identifier.
2435 2007-01-19 Dirk Mueller <dmueller@suse.de>
2437 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
2438 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
2439 duplicate evaluation.
2441 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
2443 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
2444 Macroize expander using X87MODEF12 mode macro. Extend operand 1
2445 to XFMode, use acosxf2 and truncate result to requested mode.
2446 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
2447 (asin<mode>2): Similarly, with asin expanders.
2448 (*fscalexf4_i387): Rename from *fscalexf4.
2449 (expNcorexf3): New expander.
2450 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
2451 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
2452 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
2453 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
2454 patterns for SSE math.
2455 (exp10<mode>2): Similarly, with exp10 expanders.
2456 (exp2<mode>2): Similarly, with exp2 expanders.
2457 (expm1<mode>2): Similarly, with expm1 expanders.
2458 (ldexp<mode>3): Similarly, with ldexp expanders.
2459 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
2460 Use gen_truncxf<mode>2_i387_noop to truncate result.
2462 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2464 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
2465 for ColdFire targets.
2467 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
2468 Richard Sandiford <richard@codesourcery.com>
2470 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
2471 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
2472 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
2473 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
2474 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2475 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
2477 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2479 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
2480 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
2481 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
2482 (*adddi_dilshr32_cf): New pattern.
2483 (adddi3, subdi3): Remove first alternatives.
2485 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2487 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
2488 implemented using move.l, do not use its cc result for floating-point
2491 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2493 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
2494 from accepting 's' constraints if flag_pic.
2496 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2498 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
2499 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
2500 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
2501 condition from TARGET_68881 to TARGET_HARD_FLOAT.
2503 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
2505 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
2506 ColdFire alternatives.
2507 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
2508 * config/m68k/m68k.md (clzsi2): Define for ColdFire
2509 architectures that support ff1 instruction.
2511 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2512 Julian Brown <julian@codesourcery.com>
2514 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
2515 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
2516 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
2519 2007-01-19 Richard Sandiford <richard@codesourcery.com>
2521 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
2523 (output_move_const_into_data_reg, output_move_simode_const): Delete.
2524 * config/m68k/m68k.c (const_method, const_int_cost): Take a
2525 HOST_WIDE_INT instead of an rtx.
2526 (m68k_rtx_costs): Update call accordingly.
2527 (output_move_const_into_data_reg): Likewise. Fix formatting.
2528 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
2530 (output_move_simode_const): Update calls after above changes.
2531 Rework to use automatic variables and predicates like MEM_P.
2532 * config/m68k/m68k.md (pushexthisi_const): Update call to
2535 2007-01-19 Dirk Mueller <dmueller@suse.de>
2537 * tree-ssa-alias.c (perform_var_substitution): Fix typo
2540 2007-01-19 Richard Guenther <rguenther@suse.de>
2542 * builtins.c (expand_builtin_cexpi): Fall back to expanding
2543 via cexp in case sincos is not available.
2545 2007-01-19 Richard Guenther <rguenther@suse.de>
2547 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2548 * defaults.h (TARGET_HAS_SINCOS): Default to off.
2549 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
2550 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
2551 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
2552 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
2553 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
2554 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
2556 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
2558 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
2560 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
2561 (atan2xf3): Directly generate RTL pattern.
2562 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
2563 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
2564 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
2565 disable patterns for SSE math.
2566 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
2567 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
2568 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
2569 disable patterns for SSE math.
2571 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
2573 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
2575 2007-01-18 Roger Sayle <roger@eyesopen.com>
2577 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
2578 VIEW_CONVERT_EXPR to the same type as it's operand.
2580 2007-01-18 David Edelsohn <edelsohn@gnu.org>
2582 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
2583 configured for long double 128.
2585 2007-01-18 Mike Stump <mrs@apple.com>
2587 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
2590 2007-01-18 Michael Meissner <michael.meissner@amd.com>
2592 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
2595 2007-01-18 Jan Hubicka <jh@suse.cz>
2597 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
2598 greater than NUM_VOP_FREE_BUCKETS.
2600 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
2602 * tree-ssa-structalias.c: Update comments.
2603 (ptabitmap_obstack): Removed.
2605 (oldpta_obstack): Ditto.
2606 (stats): Add a few members.
2607 (struct variable_info): Remove node, complex, address_taken, and
2608 indirect_target members. Add oldsolution member.
2609 (new_var_info): Do not initialize removed members.
2610 (constraint_expr_type): Remove INCLUDES.
2611 (constraint_graph): Add size, implicit_preds, rep,
2612 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
2613 (FIRST_REF_NODE): New macro.
2614 (LAST_REF_NODE): Ditto.
2615 (FIRST_ADDR_NODE): Ditto.
2616 (find): New function.
2618 (dump_constraint): Do not handle INCLUDES.
2619 (insert_into_complex): Do not insert duplicate constraints.
2620 (condense_varmap_nodes): Renamed and rewritten into ...
2621 (merge_node_constraints): This. Also fix bug in handling of
2622 offseted copy constraints.
2623 (clear_edges_for_node): No longer need to deal with preds at all,
2624 or removing associated preds/succs.
2625 (merge_graph_nodes): Deal with indirect_cycles.
2626 Don't deal with predecessors.
2627 (add_implicit_graph_edge): New function.
2628 (add_pred_graph_edge): Ditto.
2629 (add_graph_edge): Don't deal with predecessors.
2630 (build_constraint_graph): Removed.
2631 (build_pred_graph): New function.
2632 (build_succ_graph): Ditto.
2633 (struct scc_info): Removed in_component. Added roots, dfs, and
2634 node_mapping. Remove visited_index, unification_queue.
2635 (scc_visit): Deal with union-find we do now.
2636 Deal with cycles with REF nodes.
2637 (collapse_nodes): Renamed and rewritten to ...
2638 (unify_nodes): This.
2639 (process_unification_queue): Removed.
2640 (topo_visit): Cleanup
2641 (do_da_constraint): Use find.
2642 (do_sd_constraint): Ditto.
2643 (do_ds_constraint): Ditto.
2644 (do_complex_constraint): Ditto.
2645 (init_scc_info): Update for removed and added members.
2646 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
2647 (find_indirect_cycles): This.
2648 (equivalence_class): New variable.
2649 (label_visit): New function.
2650 (perform_variable_substitution): Rewritten.
2651 (free_var_substitution_info): New function.
2652 (find_equivalent_node): Ditto.
2653 (move_complex_constraints): Ditto.
2654 (eliminate_indirect_cycles): Ditto.
2655 (solve_graph): Only propagate changed bits.
2656 Use indirect cycle elimination.
2658 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
2659 (tree_id_eq): Renamed to ...
2660 (tree_vi_eq): This. Update for member change
2661 (insert_id_for_tree): Renamed and rewritten to ...
2662 (insert_vi_for_tree): This.
2663 (lookup_id_for_tree): Renamed and rewritten to ...
2664 (lookup_vi_for_tree): This.
2665 (get_id_for_tree): Renamed and rewritten to ...
2666 (get_vi_for_tree): Ditto.
2667 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
2668 (process_constraint): Don't handle INCLUDES.
2669 Remove special ADDRESSOF case.
2670 (find_func_aliases): Rewrite to use vi functions instead of id
2672 (create_function_info_for): Ditto.
2673 (create_variable_info_for): Ditto.
2674 (intra_create_variable_infos): Ditto.
2675 (merge_smts_into): Ditto.
2676 (find_what_p_points_to): Ditto.
2677 (init_base_vars): Ditto.
2678 (init_alias_vars): Ditto.
2679 (remove_preds_and_fake_succs): New function.
2680 (dump_sa_points_to_info): Dump new stats.
2681 (dump_solution_for_var): Use find.
2682 (set_used_smts): Fix formatting.
2683 (compute_points_to_sets): Updated for new functions.
2684 (ipa_pta_execute): Ditto.
2686 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
2687 Richard Sandiford <richard@codesourcery.com>
2689 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
2691 * calls.c (expand_call): If the return value is a PARALLEL,
2692 extract its first member.
2693 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
2694 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2695 use FUNCTION_EXTRA_EPILOGUE.
2696 (m68k_function_value): Return a PARALLEL if the return value
2697 is of a pointer type.
2698 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
2699 (FUNCTION_EXTRA_EPILOGUE): Remove.
2700 * config/m68k/m68k.md (D0_REG): New constant.
2702 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
2704 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
2705 output a NOP for empty epilogues.
2707 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2709 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
2710 before function. Extend register save check to include all
2711 registers, not just integer ones.
2713 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
2715 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
2716 (m68k_use_return_insn): ...this.
2717 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
2718 * config/m68k/m68k.c (use_return_insn): Rename to...
2719 (m68k_use_return_insn): ...this.
2720 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
2723 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
2725 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
2726 nearest even, fix denormal rounding overflow.
2728 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2730 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
2731 f%$smove and f%$move.
2732 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
2733 (extendsfdf2_cf): Use fdmove instead of f%&move.
2734 (truncdfsf2_cf): Use fsmove instead of f%$smove.
2735 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
2737 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2739 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
2742 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2744 * real.h (real_format): Add a canonical_nan_lsbs_set field.
2745 (coldfire_single_format): Declare.
2746 (coldfire_double_format): Likewise.
2747 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
2748 of qnan_msb_set to determine the lower bits of a canonical
2750 (encode_ieee_double): Likewise.
2751 (encode_ieee_quad): Likewise.
2752 (ieee_single_format): Initialize canonical_nan_lsbs_set.
2753 (mips_single_format): Likewise.
2754 (ieee_double_format): Likewise.
2755 (mips_double_format): Likewise.
2756 (ieee_extended_motorola_format): Likewise.
2757 (ieee_extended_intel_96_format): Likewise.
2758 (ieee_extended_intel_128_format): Likewise.
2759 (ieee_extended_intel_96_round_53_format): Likewise.
2760 (ibm_extended_format): Likewise.
2761 (mips_extended_format): Likewise.
2762 (ieee_quad_format): Likewise.
2763 (mips_quad_format): Likewise.
2764 (vax_f_format): Likewise.
2765 (vax_d_format): Likewise.
2766 (vax_g_format): Likewise.
2767 (i370_single_format): Likewise.
2768 (i370_double_format): Likewise.
2769 (decimal_single_format): Likewise.
2770 (decimal_double_format): Likewise.
2771 (decimal_quad_format): Likewise.
2772 (c4x_single_format): Likewise.
2773 (c4x_extended_format): Likewise.
2774 (real_internal_format): Likewise.
2775 (coldfire_single_format): New real_format.
2776 (coldfire_double_format): Likewise.
2777 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
2778 canonical_nan_lsbs_set.
2779 (pdp11_d_format): Likewise.
2780 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
2781 if TARGET_COLDFIRE_CPU.
2783 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2785 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
2786 (output_call, m68k_legitimize_call_address): Declare.
2787 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
2788 parenthesees. Add support for a 'W' constraint.
2789 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
2790 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
2791 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
2792 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
2794 (override_options): Initialize them. Do not set flag_no_function_cse
2795 for TARGET_ID_SHARED_LIBRARY.
2796 (m68k_output_pic_call): Delete.
2797 (m68k_legitimize_call_address): New function.
2798 (print_operand): Remove the %o prefix. Handle the %p prefix.
2799 (output_call): New function.
2800 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
2801 target address from the GOT if symbolic jumps are not allowed.
2802 * config/m68k/m68k.md (call, general_operand): Do not set
2803 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
2804 Merge separate flag_pic and !flag_pic define_insns into...
2805 (*call, *call_value): ...these new patterns. Match the address
2806 rather than the containing MEM and require it to be a call_operand.
2807 Use output_call to generate the asm template.
2808 * config/m68k/predicates.md (const_call_operand): New predicate.
2809 (call_operand): Likewise.
2811 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
2813 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
2814 (STACK_GROWS_DOWNWARD): Define to 1.
2815 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
2816 comments, emphasizing that these values are only defaults.
2817 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
2818 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
2820 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2822 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
2824 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
2825 Richard Sandiford <richard@codesourcery.com>
2827 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
2828 (FP_REGNO_P): New macros.
2829 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
2830 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
2831 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
2832 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
2834 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
2836 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2837 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
2839 * config/m68k/t-floatlib: New file, extracting common code from...
2840 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2841 * config/m68k/t-uclinux: Here.
2842 * config/m68k/fpgnulib.c: Do not compile extendeed precision
2843 routines on ColdFire targets.
2845 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
2847 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
2848 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
2849 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
2850 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
2851 explicitly set MOTOROLA to 1.
2852 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
2854 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2855 Nathan Sidwell <nathan@codesourcery.com>
2857 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
2858 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
2859 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
2860 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
2861 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
2862 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
2863 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
2864 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
2865 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
2866 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2867 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
2868 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
2869 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
2870 (DBX_REGISTER_NUMBER): Delete.
2871 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
2872 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
2873 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
2875 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2877 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
2878 * config/flat.h: New file.
2879 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
2881 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
2882 indirect references for -msep-data or -mid-shared-library.
2883 Do not use PC-relative code addresses either.
2884 * config/m68k/m68k.c (override_options): Restrict -fPIC error
2886 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
2887 for shared libraries and crt1.o for executables. Use crti.o and
2889 (ENDFILE_SPEC): Use crtend.o and crtn.o.
2890 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
2891 Do not add -elf2flt or -shared-lib-id options here.
2892 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
2893 Pass -shared-lib-id if -mid-shared-library, taking the library
2894 identifier from -mshared-library-id if given, otherwise
2896 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
2897 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
2898 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
2899 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
2900 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
2901 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
2903 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
2904 jump sequence for ISA A and ISA A+.
2905 (PICJUMP): Likewise.
2907 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2909 * config.gcc (m68k-*-uclinux*): Base the port on the common
2910 and m68k GNU/Linux files rather than on the generic ELF ones.
2911 * config/m68k/uclinux.h (TARGET_VERSION): Override.
2912 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2914 2007-01-18 Julian Brown <julian@codesourcery.com>
2915 Richard Sandiford <richard@codesourcery.com>
2917 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
2918 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2919 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
2921 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
2923 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
2925 2007-01-18 Richard Sandiford <richard@codesourcery.com>
2927 * doc/install.texi: Document m68k-uclinuxoldabi.
2928 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
2929 * config/m68k/uclinux-oldabi.h: New file, copied from
2930 config/m68k/uclinux.h.
2932 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
2934 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
2935 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
2936 (m32r_compute_frame_size): Use unsigned for regno.
2937 (m32r_reload_lr): Use gen_frame_mem.
2939 (m32r_output_function_epilogue): Don't output the function epilogue
2941 (m32r_expand_epilogue): New.
2942 (direct_return): Return false if the function has the interrupt
2944 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
2945 * config/m32r/m32r.md (epilogue): New expander.
2946 (return_lr, return_rte): New insns.
2947 (return): Make it expander.
2948 (return_normal): New expander.
2950 2007-01-18 Josh Conner <jconner@apple.com>
2953 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
2954 support for UNLE, UNLT, UNGE, and UNGT.
2956 2007-01-18 Jan Hubicka <jh@suse.cz>
2958 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
2959 * tree-tailcall (add_virtual_phis): Likewise.
2960 (optimize_tail_call): Return TODOs.
2961 (execute_tail_calls): Return TODOs.
2962 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
2963 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
2965 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2966 Cleanup cfg using TODO.
2967 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
2968 * passes.c (execute_function_todo): When cleanup did something, remove
2970 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
2971 (make_edges): Don't cleanup_cfg.
2973 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
2975 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
2976 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
2977 operate on the top of stack.
2978 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
2979 register handling of instructions that output to the second
2981 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
2982 (move_for_stack_reg): Special-case check for dead destination
2983 stack slot for constant load of 1.0 inside UNSPEC_TAN.
2985 * config/i386/i386.md (UNSPEC_TAN): New constant.
2986 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
2987 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
2988 to correctly model move of constant 1.0 to top stack slot.
2989 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
2990 (unnamed peephole2 pattern): Remove corresponding peephole2
2991 pattern that optimizes tan insn and loading of constant 1.0.
2992 (tanxf2): Use fptanxf4_i387.
2993 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
2994 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
2995 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
2996 disable patterns for SSE math.
2997 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
2998 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
3000 2007-01-18 Dirk Mueller <dmueller@suse.de>
3001 Richard Guenther <rguenther@suse.de>
3004 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
3005 * common.opt (Warray-bounds): Add new warning option.
3006 * c-opts.c (c_common_handle_option): Define -Warray-bounds
3008 * Makefile.in: make tree-vrp.o depend on toplev.h
3009 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
3011 (check_array_refs, check_array_bounds, check_array_ref): New.
3013 2007-01-18 Jan Hubicka <jh@suse.cz>
3015 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
3016 (execute_ssa_ccp): Return flags conditionally.
3017 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
3019 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
3021 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
3023 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
3024 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
3026 * Makefile.c (GTFILES): Add cfglayout.h.
3027 * gengtype.c (open_base_files): Likewise.
3028 * cfglayout.c (cfg_layout_function_footer,
3029 cfg_layout_function_header) Reindent to make gengtype happy.
3030 * cfglayout.h (cfg_layout_function_footer,
3031 cfg_layout_function_header): Add GTY(()) marker.
3033 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
3035 2007-01-18 Ben Elliston <bje@au.ibm.com>
3037 * genautomata.c (write_automata): Include xstrerror output in the
3038 error message if writing the DFA description file fails.
3040 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
3042 * config/mips/mips-protos.h (mips_output_external): Make it
3044 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
3045 * config/mips/mips.c (irix_output_external_libcall): Likewise.
3046 (extern_list): Likewise.
3047 (extern_head): Likewise.
3048 (TARGET_ASM_FILE_END): Likewise.
3049 (mips_file_end): Likewise.
3050 (mips_output_external): Rewritten.
3052 2007-01-18 Ben Elliston <bje@au.ibm.com>
3054 * genpreds.c (write_insn_preds_c): Only write out the function
3055 body for regclass_for_constraint if we have register constraints.
3057 2007-01-17 Tom Tromey <tromey@redhat.com>
3059 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
3060 * doc/install.texi (Testing): Use sourceware.org.
3061 (Binaries): Likewise.
3062 (Specific): Likewise.
3063 * doc/contrib.texi (Contributors): Use sourceware.org.
3065 2007-01-17 Anatoly Sokolov <aesok@post.ru>
3067 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
3068 (AVR_ENHANCED): Rename to ...
3069 (AVR_HAVE_MUL): ... new.
3070 (avr_enhanced_p): Rename to ...
3071 (avr_have_mul_p): ... new.
3072 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
3073 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
3074 * config/avr/avr.c (avr_enhanced_p): Rename to ...
3075 (avr_have_mul_p): ... new.
3076 (base_arch_s): Rename 'enhanced' to 'have_mul'.
3077 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
3078 'avr_enhanced_p' and 'enhanced'.
3079 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
3080 AVR_HAVE_MUL instead of AVR_ENHANCED.
3081 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3082 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
3083 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
3084 instead of AVR_ENHANCED.
3085 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
3086 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
3087 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
3089 2007-01-17 Ian Lance Taylor <iant@google.com>
3091 * vec.h (VEC_reserve_exact): Define.
3092 (vec_gc_p_reserve_exact): Declare.
3093 (vec_gc_o_reserve_exact): Declare.
3094 (vec_heap_p_reserve_exact): Declare.
3095 (vec_heap_o_reserve_exact): Declare.
3096 (VEC_OP (T,A,reserve_exact)): New static inline function, three
3098 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
3100 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
3101 (VEC_OP (T,A,copy)) [all versions]: Likewise.
3102 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
3103 * vec.c (calculate_allocation): Add exact parameter. Change all
3105 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
3106 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
3107 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
3108 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
3109 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
3110 (vec_heap_p_reserve_exact): New function.
3111 (vec_heap_o_reserve_exact): New function.
3113 2007-01-17 Jan Hubicka <jh@suse.cz>
3115 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
3117 2007-01-17 Eric Christopher <echristo@apple.com>
3119 * config.gcc: Support core2 processor.
3121 2007-01-16 Jan Hubicka <jh@suse.cz>
3123 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
3124 the names, just unlink the chain so we don't crash on dangling pointers
3127 2007-01-16 Jan Hubicka <jh@suse.cz>
3129 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
3130 * tree-pass.h: Reorder to make IPA passes appear toegher.
3131 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
3132 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
3133 parameters, do not call early inliner.
3134 * ipa-inline.c: Update comments. Include tree-flow.h
3135 (cgraph_decide_inlining): Do not compute inlining parameters.
3136 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
3137 be called with function context set up.
3138 (pass_ipa_inline): Remove unreachable functions before pass.
3139 (cgraph_early_inlining): Simplify assuming to be called from the
3141 (pass_early_inline): New pass.
3142 (cgraph_gate_ipa_early_inlining): New gate.
3143 (pass_ipa_early_inline): Turn into simple wrapper.
3144 (compute_inline_parameters): New function.
3145 (gate_inline_passes): New gate.
3146 (pass_inline_parameters): New pass.
3147 (apply_inline): Move here from tree-optimize.c
3148 (pass_apply_inline): New pass.
3149 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
3151 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
3153 (tree_function_versioning): Do not allocate dummy struct function.
3154 * tree-inline.h (optimize_inline_calls): Update prototype.
3155 * tree-optimize.c (execute_fixup_cfg): Export.
3156 (pass_fixup_cfg): Remove
3157 (tree_rest_of_compilation): Do not apply inlines.
3158 * tree-flow.h (execute_fixup_cfg): Declare.
3159 * Makefile.in (gt-passes.c): New.
3160 * passes.c: Include gt-passes.h
3161 (init_optimization_passes): New passes.
3162 (nnodes, order): New static vars.
3163 (do_per_function_toporder): New function.
3164 (execute_one_pass): Dump current pass here.
3165 (execute_ipa_pass_list): Don't dump current pass here.
3167 2007-01-16 Janis Johnson <janis187@us.ibm.com>
3169 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
3170 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
3172 2007-01-16 David Edelsohn <edelsohn@gnu.org>
3174 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
3175 (strong_alias): Define.
3176 (__gcc_qmul): Provide non-FMA for soft-float.
3182 (__gcc_qunord): New.
3192 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
3193 soft-float functions.
3194 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
3195 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
3196 about long double soft float.
3198 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
3199 Tehila Meyzels <tehila@il.ibm.com>
3201 * tree-vectorizer.h (is_pattern_stmt_p): New.
3202 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
3203 formatting (tabs instead of spaces). Cleanup and clarify setting
3204 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
3205 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
3206 (vectorizable_type_demotion): Check that types are integral.
3207 (vectorizable_type_promotion): Likewise.
3208 (vectorizable_store): Fix typo. Eliminate new-line at end of
3211 2007-01-16 Jan Hubicka <jh@suse.cz>
3213 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
3216 2007-01-15 Eric Christopher <echristo@apple.com>
3218 * ifcvt.c: Include vec.h, vecprim.h.
3219 (check_cond_move_block): New argument regs.
3220 Reorganize. Add registers used to regs.
3221 (cond_move_process_if_block): Use regs set above as
3224 2007-01-15 Eric Christopher <echristo@apple.com>
3226 * config/darwin.h: Update copyright.
3227 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
3228 (LINK_COMMAND_SPEC): Add -u.
3229 (LINK_SPEC): Fix umbrella for above.
3231 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
3233 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
3236 2007-01-15 Tom Tromey <tromey@redhat.com>
3238 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
3239 * doc/install.texi (Testing): Don't mention jacks.
3240 (Configuration): Document --enable-java-maintainer-mode. Move
3241 --with-java-home to libgcj-specific section. Document
3243 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
3245 2007-01-15 Jan Hubicka <jh@suse.cz>
3247 * tree-ssa-dce.c (DCE_TODOs): New.
3248 (propagate_necessity): Return if something changed.
3249 (eliminate_unnecessary_stmts): Likewise.
3250 (perform_tree_ssa_dce): Return TODO flags when needed.
3251 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
3253 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
3255 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
3256 (fyl2x_extend<mode>xf3_i387): New insn pattern.
3257 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
3258 patterns using X87MODEF12 mode macro. Extend operand 1
3259 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
3260 (log10<mode>2): Ditto.
3261 (log2<mode>2): Ditto.
3262 (log1p<mode>2): Ditto.
3263 (logb<mode>2): Ditto.
3264 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
3265 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
3266 (*fxtractxf3_i387): Rename from *fxtractxf3.
3267 (fxtract_extend<mode>xf3_i387): New insn pattern.
3268 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
3269 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
3270 and gen_fyl2xxf3_i387().
3272 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3274 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
3275 * cfgloopmanip.c (fix_loop_placement): Made static. Use
3276 get_loop_exit_edges. Changed return type to bool.
3277 * cfgloop.h (fix_loop_placement): Declaration removed.
3279 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
3281 * param.h (MIN_VECT_LOOP_BOUND): New.
3282 * params.def (MIN_VECT_LOOP_BOUND): New.
3283 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
3284 argument - minimum threshold for number of iterations.
3285 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
3286 argument to declaration.
3287 * tree-vect-analyze.c (vect_analyze_operations): Check value of
3288 MIN_VECT_LOOP_BOUND.
3289 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
3290 slpeel_tree_peel_loop_to_edge with additional argument.
3291 (vect_do_peeling_for_alignment): Likewise.
3292 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
3294 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
3297 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
3300 2007-01-14 Jan Hubicka <jh@suse.cz>
3302 * tree-dfa.c (remove_referenced_var): New function.
3303 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
3304 prune referenced vars list too.
3305 * tree-flow.h (remove_referenced_var): Declare.
3307 2007-01-14 Jan Hubicka <jh@suse.cz>
3309 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
3311 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
3312 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
3313 * except.h (verify_eh_throw_table_statements): Kill prototype.
3314 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
3315 into call exrepssions.
3316 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
3318 * tree-cfg.c: Include pointer-set.h.
3319 (verify_node_sharing): Work on pointer set.
3320 (verify_eh_throw_stmt_node): New.
3321 (verify_stmts): Use pointers sets, verify throw_stmt.
3323 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
3325 * ipa-reference.c (analyze_function): Consider also addresses taken
3328 2007-01-12 Roger Sayle <roger@eyesopen.com>
3330 * c-typeck.c (null_pointer_constant_p): Replace use of
3331 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3332 (build_c_cast): Likewise.
3334 2007-01-12 Roger Sayle <roger@eyesopen.com>
3336 * tree.h (force_fit_type_double): Remove unused final argument.
3337 * c-common.c (constant_expression_warning): Replace use of
3338 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3339 (convert_and_check): Likewise.
3340 (shorten_compare): Update call to force_fit_type_double.
3341 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
3342 * convert.c (convert_to_pointer): Update call to
3343 force_fit_type_double.
3344 * fold-const.c (force_fit_type_double): Remove overflowed_const
3346 (int_const_binop, fold_convert_const_int_from_int,
3347 fold_convert_const_int_from_real, fold_div_compare,
3348 fold_sign_changed_comparison, fold_unary, fold_negate_const,
3349 fold_abs_const, fold_not_const): Remove the final argument from
3350 calls to force_fit_type_double.
3352 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
3354 * configure.ac: Set insn to "nop" for spu-*-* also.
3355 * configure: Regenerate.
3357 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
3359 * builtins.def : Add BUILT_IN_FREE.
3361 2007-01-12 Jan Hubicka <jh@suse.cz>
3363 PR tree-optimization/30443
3364 * tree-inline.c (tree_function_versioning): Do not optimize when
3365 cloning for inlining.
3367 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
3369 * doc/loop.texi: Document recording of loop exits.
3370 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
3371 (update_single_exits_after_duplication,
3372 update_single_exit_for_duplicated_loop,
3373 update_single_exit_for_duplicated_loops): Removed.
3374 (duplicate_loop_to_header_edge): Do not call
3375 update_single_exits_after_duplication and
3376 update_single_exit_for_duplicated_loops.
3377 (loop_version): Do not update single_exit information.
3378 (fix_loop_structure): Use record_loop_exits instead of
3379 mark_single_exit_loops.
3380 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
3381 the lists of loop exits.
3382 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
3383 split_edge, merge_blocks): Update the lists of loop exits.
3384 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
3385 loop_optimizer_init.
3386 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
3387 of mark_single_exit_loops.
3388 (loop_optimizer_finalize): Call release_recorded_exits.
3389 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
3390 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
3391 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
3392 update single exit information.
3393 * lambda-code.c (perfect_nestify): Ditto.
3394 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
3395 (mark_single_exit_loops): Removed.
3396 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
3397 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
3398 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
3400 (get_loop_exit_edges, single_exit): Use recorded exit lists.
3401 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
3402 (verify_loop_structure): Verify consistency of the exit lists.
3403 (flow_loops_find): Use alloc_loop. Initialize exits hash.
3404 (set_single_exit): Removed.
3405 * cfgloop.h (struct loop_exit): New function.
3406 (struct loop): single_exit_ field replaced by exits field.
3407 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
3408 (struct loops): Added exits hash.
3409 (mark_single_exit_loops, set_single_exit): Declaration removed.
3410 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
3412 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3414 * doc/invoke.texi: Avoid use of @headitem.
3416 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3418 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
3420 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3422 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
3425 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
3426 Richard Sandiford <richard@codesourcery.com>
3428 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
3429 * config/m68k/m68k.opt: Resort options.
3430 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
3432 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
3433 Richard Sandiford <richard@codesourcery.com>
3435 * doc/invoke.texi: Document the macros that are defined by
3436 m68k's -mtune and -mhard-float options.
3437 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
3438 (m68k_cpp_cpu_family): Likewise.
3439 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
3440 of __ucfv*__ macros. Define __mcffpu__ if generating code for
3441 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
3442 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
3443 (m68k_cpp_cpu_family): Likewise.
3445 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3447 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
3448 macros besides mc68000 as tuning macros. Use a switch statement
3449 to set them and mcpu32.
3451 2007-01-12 Julian Brown <julian@codesourcery.com>
3453 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
3454 (TARGET_68040_ONLY): Rename to...
3455 (TARGET_68040): ...this.
3456 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
3457 * config/m68k/m68k.md: Likewise.
3459 2007-01-12 Julian Brown <julian@codesourcery.com>
3460 Nathan Sidwell <nathan@codesourcery.com>
3461 Richard Sandiford <richard@codesourcery.com>
3463 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
3464 the -mcpu= argument associated with the --with-cpu setting.
3465 Define M68K_DEFAULT_TUNE to the default -mtune= option,
3466 if different from the one implied by the -mcpu setting.
3467 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
3468 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
3469 * doc/invoke.texi: Mention ColdFire in the introduction to the
3470 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
3471 -mno-div and -mhard-float options. Make -m68881 a synonym for
3472 -mhard-float. Document the previously-undocumented -m5206e,
3473 -m528x, -m5307 and -m5407 options. Tweak the existing option
3474 documentation for consistency.
3475 * doc/install.texi: Mention new --with-cpu arguments.
3476 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
3477 default CPU if neither -mcpu nor -march are specified.
3478 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
3479 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
3480 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
3481 using m68k_tune to decide between families that implement the
3482 same ISA. Use m68k_tune to set __mcfv4e__.
3483 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
3484 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
3485 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
3486 (FL_ISA_C, FL_ISA_MMU): New macros.
3487 (MASK_COLDFIRE): Delete.
3488 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
3489 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
3490 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
3491 (TARGET_HARD_FLOAT): Do not define here.
3492 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
3493 (TUNE_68000): New macro.
3494 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
3495 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
3496 (TUNE_CFV2): Redefine in terms of m68k_tune.
3497 (uarch_type, target_device, fpu_type): New enums.
3498 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
3499 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
3500 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
3501 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
3502 (FL_FOR_isa_c): New macros.
3503 (m68k_isa): New enum.
3504 (m68k_target_selection): New structure.
3505 (all_devices, all_isas, all_microarchs): New tables.
3506 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
3507 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
3508 (MASK_ALL_CPU_BITS): Delete.
3509 (m68k_find_selection): New function.
3510 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
3511 Map the legacy target options to a combination of the new ones.
3512 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
3513 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
3514 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
3516 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
3517 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
3519 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
3520 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
3521 * config/m68k/m68k-devices.def: New file.
3523 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3524 Nathan Sidwell <nathan@codesourcery.com>
3526 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
3527 (SUBTARGET_EXTRA_SPECS): New macros.
3528 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
3529 use %(asm_cpu_spec) instead.
3530 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
3531 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
3532 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
3533 (EXTRA_SPECS): Rename to...
3534 (SUBTARGET_EXTRA_SPECS): ...this.
3536 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
3537 Richard Sandiford <richard@codesourcery.com>
3538 Julian Brown <julian@codesourcery.com>
3540 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
3541 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
3542 to the configuration's default CPU.
3543 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
3544 Remove default masks.
3545 (m680[012]0-*-*): Set the default with_cpu to the first part of
3547 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
3548 (m68k*-*-linux): Extend the --with-cpu handling to...
3549 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
3550 and m68010. Don't set target_cpu_default2.
3551 * doc/install.texi: Document --with-cpu for m68k.
3552 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
3553 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
3554 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
3555 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
3556 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
3557 (ASM_SPEC): Remove use of %(asm_cpu_default).
3558 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
3559 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
3560 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
3561 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
3562 __HAVE_FPU__ if TARGET_HARD_FLOAT.
3563 (TARGET_DEFAULT): Delete.
3564 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
3565 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
3566 (CPP_CPU_SPEC): Delete.
3567 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
3568 the appropriate string.
3569 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
3570 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
3571 (ASM_SPEC): Don't use %(asm_default_spec).
3572 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3573 TARGET_DEFAULT and add MASK_68881.
3574 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
3576 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3578 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
3579 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
3580 MASK_68010 alongside MASK_68020.
3581 * doc/invoke.texi: Document -m68010.
3582 * config/m68k/m68k.opt (m68010): New.
3583 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
3585 (TUNE_68010): New macro.
3586 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
3587 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
3588 (M68K_CPU_m68332): Add MASK_68010.
3589 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
3590 fallback definition.
3591 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
3593 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
3594 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
3595 to all entries that use MASK_68020.
3596 (output_move_simode_const, output_move_himode, output_move_qimode)
3597 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
3598 instead of TARGET_68020 to select clr behavior. Remove comment
3599 about there being no TARGET_68010.
3600 * config/m68k/m68k.md: Likewise throughout.
3602 2007-01-12 Julian Brown <julian@codesourcery.com>
3604 * config/m68k/m68k.h (TARGET_ISAB): New macro.
3605 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
3606 * config/m68k/m68k.md: Likewise.
3608 2007-01-12 Julian Brown <julian@codesourcery.com>
3610 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
3611 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
3613 2007-01-12 Julian Brown <julian@codesourcery.com>
3615 * config/m68k/m68k.h (TUNE_68040_60): New macro.
3616 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
3617 * config/m68k/m68k.md: Likewise.
3619 2007-01-12 Julian Brown <julian@codesourcery.com>
3620 Richard Sandiford <richard@codesourcery.com>
3622 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
3623 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
3624 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
3626 (TARGET_CPU32): Rename to...
3627 (TUNE_CPU32): ...this.
3628 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
3629 (TUNE_CFV2): New macros.
3630 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
3631 remove conditions that are implied by TARGET_68020.
3632 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
3633 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
3634 (m68k_output_function_epilogue): Likewise.
3635 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
3636 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
3637 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
3638 non-68000 timings. Refactor multiplication and division costs.
3639 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
3640 TUNE_CPU32 instead of TARGET_CPU32.
3641 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
3642 and TUNE_68060 instead of TARGET_68060.
3643 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
3644 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
3646 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
3647 && !TARGET_COLDFIRE" to choose between moveq and clr.
3648 Likewise in the unnamed movsf pattern.
3649 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
3650 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
3653 2007-01-12 Richard Sandiford <richard@codesourcery.com>
3655 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
3656 of tabbing before backslashes.
3658 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3660 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
3661 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
3662 (ASM_OUTPUT_INTERNAL_LABEL): Define.
3664 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3666 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
3667 find_interesting_uses_cond.
3668 (find_interesting_uses_cond): Use extract_cond_operands.
3669 (rewrite_use_compare): Use extract_cond_operands and
3670 force_gimple_operand_bsi. Do not call update_stmt.
3671 (determine_use_iv_cost_condition): Use extract_cond_operands.
3672 Return cheaper of using original bound and changing the exit bound.
3674 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3676 PR tree-optimization/29516
3677 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
3678 most_expensive_mult_to_index, addr_to_parts,
3679 create_mem_ref, maybe_fold_tmr): Make the type of
3680 fields of TARGET_MEM_REF sizetype.
3681 (move_fixed_address_to_symbol, move_pointer_to_base):
3683 * tree.def (TARGET_MEM_REF): Add comment on types of
3686 2007-01-11 Joseph Myers <joseph@codesourcery.com>
3688 * c-common.c (vector_types_convertible_p): Treat opaque types as
3689 always convertible if they have the same size, but not otherwise.
3691 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
3693 * ifcvt.c (struct noce_if_info): Add comments to the fields.
3694 Remove the b_unconditional field.
3695 (noce_try_sign_mask): Do not look at b_unconditional.
3696 (noce_process_if_block): Do not use merge_if_blocks. Update
3697 the CFG here. Do not set b_unconditional.
3698 (cond_move_process_if_block): Likewise.
3699 (find_cond_trap): Likewise.
3700 (check_cond_move_block): Require simple jump insns at the end
3703 2007-01-11 Jan Hubicka <jh@suse.cz>
3705 PR tree-optimization/1046
3706 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
3707 when alias info is not ready.
3708 (pass_tail_recursion): Do not require aliasing.
3709 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
3710 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
3711 * tree-ssa-copy.c (pass_copy_prop): Likewise.
3712 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3713 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
3714 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
3715 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
3717 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
3718 When aliasing is not build, mark statement as volatile.
3720 2007-01-11 Tom Tromey <tromey@redhat.com>
3722 PR preprocessor/15185, PR preprocessor/20989:
3723 * doc/cppopts.texi <-MT>: Update description of algorithm for
3724 computing default target.
3725 <-M, -MD>: Reword "basename" text.
3727 2007-01-11 Roger Sayle <roger@eyesopen.com>
3729 * builtins.c (expand_builtin_pow, expand_builtin_powi,
3730 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
3731 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3732 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
3733 fold_builtin_bswap, real_constp, fold_builtin_pow,
3734 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
3735 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
3736 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
3737 * convert.c (convert_to_pointer): Likewise.
3738 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
3739 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
3740 const_binop, fold_convert_const_int_from_int,
3741 fold_convert_const_int_from_real,
3742 fold_convert_const_real_from_real, sign_bit_p,
3743 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
3744 fold_sign_changed_comparison, fold_unary, fold_comparison,
3745 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
3746 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3747 * print-tree.c (print_node_brief, print_node): Likewise.
3748 * stor-layout.c (place_field, layout_type): Likewise.
3749 * tree-chrec.c (keep_cast): Likewise.
3750 * tree.c (build_vector, build_real, build_real_from_int_cst,
3751 build_complex): Likewise.
3753 2007-01-11 Roger Sayle <roger@eyesopen.com>
3755 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
3756 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
3758 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
3760 * configure.ac (strict1_warn): Rename to strict_warn.
3761 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
3762 cc_set_by_configure, quoted_cc_set_by_configure,
3763 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
3764 all_boot_languages, all_stagestuff): Remove.
3765 (target_list): Remove bootstrap targets.
3766 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
3767 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
3768 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
3769 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
3770 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
3771 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
3772 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
3773 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
3774 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
3775 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
3776 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
3777 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
3778 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
3779 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
3780 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
3781 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
3782 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
3783 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
3784 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
3785 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
3786 (mostlyclean): Adjust.
3787 (clean, distclean): Don't mention bootstrap stuff.
3788 * configure: Regenerate.
3789 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
3790 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
3791 treelang/config-lang.in (stagestuff): Remove.
3792 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
3793 stageprofile, stagefeedback, stagestuff): Remove mention.
3795 2007-01-11 Nick Clifton <nickc@redhat.com>
3797 * config/mcore/predicates.md (mcore_general_movesrc_operand):
3799 (mcore_general_movdst_operand): Do not accept CONST_INTs.
3800 (mcore_arith_K_S_operand): Run the test for the S constraint not
3801 the test for the M constraint.
3802 (mcore_addsub_operand): Do not accept integer values that are
3803 larger than 32 bits.
3804 * config/mcore/mcore.md: Remove unused constraints from split.
3805 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
3807 (allocate_stack): Likewise.
3808 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
3809 operands to 32 bits.
3810 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
3812 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
3813 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
3814 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
3815 mcore_output_bclri, mcore_output_andn, output_inline_const,
3816 mcore_output_move, mcore_output_movedouble): Likewise.
3817 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
3818 (output_inline_const): Likewise.
3819 (output_inline_const): Fix format strings used in sprintf
3821 * config/mcore/mcore-protos.h: Update prototypes for changed
3822 functions in mcore.c.
3823 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
3824 HOST_WIDE_INT and not int.
3825 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
3826 CONST_OK_FOR_N): Likewise.
3827 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
3828 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
3831 2007-01-10 Jan Hubicka <jh@suse.cz>
3833 * tree-vrp.c (remove_range_assertions): Release defs.
3834 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
3835 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
3837 2007-01-10 Paul Brook <paul@codesourcery.com>
3839 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
3840 * config/arm/arm.md (mulsi3subsi): New insn.
3842 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
3844 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
3845 (tree_transform_and_unroll_loop): New.
3846 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
3849 2007-01-10 Robert Kennedy <jimbob@google.com>
3851 * fold-const.c (fold_comparison): Fold comparisons like (x *
3852 1000 < 0) to (x < 0).
3854 2007-01-10 Ian Lance Taylor <iant@google.com>
3856 * tree-pretty-print.c (dump_generic_node): Print parentheses when
3857 operands have the same priority.
3859 2007-01-10 Tom Tromey <tromey@redhat.com>
3861 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
3862 (fold_binary): Likewise.
3863 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
3864 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
3865 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
3866 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
3867 * langhooks.h (struct lang_hooks): Removed field
3868 'can_use_bit_fields_p'.
3870 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
3872 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
3874 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
3876 * function.c (get_last_funcdef_no): New function.
3877 * function.h (get_last_funcdef_no): Declare.
3878 * tree-inline.c (initialize_cfun): Add initialization.
3879 (tree_function_versioning): Cleanup.
3881 2007-01-10 Jan Hubicka <jh@suse.cz>
3883 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
3886 2007-01-10 Sa Liu <saliu@de.ibm.com>
3887 Ben Elliston <bje@au.ibm.com>
3889 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
3890 for SAVE_NONLOCAL and Pmode for any other save level.
3891 * spu-protos.h (spu_restore_stack_block): Declare.
3892 * spu.md (save_stack_block): Remove.
3893 (restore_stack_block): Call spu_restore_stack_block.
3894 * spu.c (spu_restore_stack_block): New function.
3895 (spu_expand_epilogue): Remove old comment.
3897 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
3899 PR tree-optimization/30322
3900 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
3901 (cand_value_at): Return the value as aff_tree.
3902 (may_eliminate_iv): Convert the bound from aff_tree to tree.
3903 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
3904 aff_combination_mult): New functions.
3905 (aff_combination_add): Use aff_combination_add_cst.
3906 (aff_combination_convert): Allow conversions to a wider type.
3907 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
3908 * tree-affine.h (aff_combination_mult): Declare.
3910 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
3912 * doc/tm.texi: Update documentation to reflect reality of exec
3913 and start file search behaviours. Update copyright year.
3914 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
3915 header file directories.
3917 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
3919 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
3920 (*cosxf2): Rename to cosxf2_i387.
3921 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
3922 using X87MODEF12 mode macro. Rename patterns to
3923 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
3925 (*cosdf2, *cossf2): Ditto.
3926 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
3927 to match extended input operands.
3928 (sincos<mode>3): New expander.
3929 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
3930 insn patterns and corresponding splitters.
3932 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
3934 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
3935 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
3937 2007-01-09 Nicolas Pitre <nico@cam.org>
3940 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
3942 2007-01-08 Geoffrey Keating <geoffk@apple.com>
3944 * target.h (struct gcc_target): New field library_rtti_comdat.
3945 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
3946 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
3947 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
3948 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
3950 2007-01-08 Geoffrey Keating <geoffk@apple.com>
3952 * doc/invoke.texi (Optimize Options): Correct description of -O0.
3954 2007-01-08 Richard Guenther <rguenther@suse.de>
3956 * tree.h (force_fit_type_double): Export.
3957 (force_fit_type): Remove.
3958 * fold-const.c (force_fit_type_double): New function.
3959 (force_fit_type): Remove.
3960 (int_const_binop): Use it.
3961 (fold_convert_const_int_from_int): Likewise.
3962 (fold_convert_const_int_from_real): Likewise.
3963 (fold_div_compare): Likewise.
3964 (fold_sign_changed_comparison): Likewise.
3965 (fold_unary): Likewise.
3966 (fold_negate_const): Likewise.
3967 (fold_abs_const): Likewise.
3968 (fold_not_const): Likewise.
3969 * c-common.c (shorten_compare): Use force_fit_type_double.
3970 * convert.c (convert_to_pointer): Likewise.
3972 2007-01-08 Richard Guenther <rguenther@suse.de>
3974 * tree.h (build_int_cst_wide_type): Export.
3975 * tree.c (build_int_cst_wide_type): New function.
3976 (build_int_cst_wide): Fix comment.
3977 * builtins.c (fold_builtin_object_size): Use build_int_cst
3978 to build -1 or 0 of the correct type. Use fit_double_type
3979 to check for overflow.
3980 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
3982 (decode_field_reference): Likewise.
3983 (all_ones_mask_p): Likewise.
3984 (native_interpret_int): Use build_int_cst_wide_type.
3985 (fold_binary): Use build_int_cst_type to build an all-ones
3987 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
3989 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
3991 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
3993 2007-01-09 Ben Elliston <bje@au.ibm.com>
3995 * genautomata.c (STATS_OPTION): New option.
3996 (stats_flag): New flag.
3997 (gen_automata_option): Handle it.
3998 (initiate_automaton_gen): Ditto.
3999 (write_automata): Output statistics only if stats_flag is
4000 set. Likewise, output time statistics only if time_flag is set.
4001 * doc/md.texi (Processor pipeline description): Document new flag.
4003 2007-01-08 Richard Guenther <rguenther@suse.de>
4005 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
4006 * tree.c (build_int_cst_type): Likewise.
4007 (size_in_bytes): Don't call force_fit_type on the result.
4008 (int_fits_type_p): Use fit_double_type.
4009 * fold-const.c (fit_double_type): New function.
4010 (force_fit_type): Use it.
4011 * tree.h (fit_double_type): Export.
4013 2007-01-08 Jan Hubicka <jh@suse.cz>
4015 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
4016 * ipa.c (function_and_variable_visibility): Fix return type.
4018 2007-01-08 Richard Guenther <rguenther@suse.de>
4020 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
4021 of offset to build the index.
4022 * tree-pretty-print.c (dump_generic_node): Don't build negated
4023 const just for printing.
4024 * c-pretty-print.c (pp_c_integer_constant): Likewise.
4025 * builtins.c (fold_builtin_int_roundingfn): Check if result
4026 fits the type by using force_fit_type and comparing the result.
4027 * predict.c (predict_loops): Use compare_tree_int for comparison.
4028 * tree.c (build_int_cst): Fall back to integer_type_node for
4030 (build_int_cst_wide): Assert type is non-null.
4032 2007-01-08 Roberto Costa <roberto.costa@st.com>
4034 * tree-vrp.c (extract_range_from_cond_expr): New.
4035 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
4036 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
4038 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
4039 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
4040 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
4041 used as expressions.
4042 * tree-object-size.c (cond_expr_object_size): New.
4043 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
4045 2007-01-08 Jan Hubicka <jh@suse.cz>
4047 * tree-ssa-forwprop.c (forward_propagate_into_cond,
4048 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
4051 2007-01-08 Richard Guenther <rguenther@suse.de>
4053 PR tree-optimization/23603
4054 * tree-vrp.c (set_value_range_to_truthvalue): New function.
4055 (extract_range_from_binary): Fall back to truthvalue instead of
4056 varying for TRUTH_*_EXPR.
4057 (extract_range_from_comparison): Fall back to truthvalue instead of
4059 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
4060 if all visited PHI values were constant.
4062 2007-01-08 Jan Hubicka <jh@suse.cz>
4064 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
4065 (cgraph_analyze_function): break out from ...
4066 (cgraph_finalize_compilation_unit): ... here.
4067 (cgraph_expand_function): Remove forgoten commented out line.
4068 (cgraph_optimize): Analyze functions.
4070 2007-01-08 Jan Hubicka <jh@suse.cz>
4072 * tree-pas.h (TODO_remove_function): New flag.
4073 (TODO_update*): Renumber.
4074 (pass_ipa_increase_alignment,
4075 pass_ipa_function_and_variable_visibility): New passes.
4076 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
4077 (cgraph_function_and_variable_visibility): Move to ipa.c
4078 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
4079 cgraph_increase_alignment.
4080 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
4081 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
4082 calling tree-inline.
4083 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
4084 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
4085 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
4086 (gate_increase_alignment): New function.
4087 (pass_ipa_increase_alignment): New pass.
4088 * ipa.c: Inline tree-pass.h and timevar.h
4089 (function_and_variable_visibility): Move here from cgraphunit.c
4090 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
4091 * passes.c (init_optimization_passes): Add the two new passes.
4092 (execute_todo): Handle cgraph_remove_functions.
4094 2007-01-08 Nick Clifton <nickc@redhat.com>
4096 * config/frv/predicates.md (reg_or_0_operand): Accept
4099 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
4101 * config/bfin/rtems.h, config/bfin/t-rtems: New.
4102 * config.gcc: Add bfin*-rtems*.
4104 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
4106 * c.opt: Add -flax-vector-conversions.
4107 * c-typeck.c (convert_for_assignment): Pass flag to
4108 vector_types_convertible_p to allow emission of note.
4109 (digest_init): Likewise.
4110 * c-opts.c: Handle -flax-vector-conversions.
4111 * c-common.c (flag_lax_vector_conversions): New.
4112 (vector_types_convertible_p): Unless -flax-vector conversions
4113 has been passed, disallow conversions between vectors with
4114 differing numbers of subparts and/or element types. If such
4115 a conversion is disallowed, possibly emit a note on the first
4116 occasion only to inform the user of -flax-vector-conversions.
4117 The new last argument specifies this.
4118 * c-common.h (flag_lax_vector_conversions): New.
4119 (vector_types_convertible_p): Add extra argument.
4120 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
4121 char_type_node for V*QI type vectors.
4122 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
4123 Update to satisfy new typechecking rules.
4124 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
4126 * doc/invoke.texi (C Dialect Options): Document
4127 -flax-vector-conversions.
4129 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
4131 PR tree-optimization/29877
4132 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
4133 a register variable on the RHS to not be replaceable.
4135 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
4136 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
4137 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
4138 const_simm15, const_pow2, const_npow2): Added.
4139 * config/score/misc.md (insv, extv, extzv, movmemsi,
4140 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
4141 * config/score/score.c (score_address_cost, score_select_cc_mode):
4143 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
4144 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
4145 Update score_print_operand.
4146 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
4147 Adjust register allocate order and update some macro define.
4148 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
4149 mdx_block_move_straight, mdx_block_move_loop_head,
4150 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
4151 mdx_block_move): Added.
4152 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
4153 mdp_limm): Updated and fix some bug and typo.
4154 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
4155 (movsf, movdf, doloop_end): Added.
4157 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
4159 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
4160 config/arm/thumb2.md: Fix comment typos.
4161 * doc/extend.texi: Fix a typo.
4163 2007-01-07 Eric Christopher <echristo@apple.com>
4165 * configure.ac: Check for __stack_chk_fail for darwin.
4166 * configure: Regenerate.
4168 2007-01-07 Richard Guenther <rguenther@suse.de>
4170 * tree-vrp.c (extract_range_from_assert): CSE calls to
4171 compare_values where possible.
4172 (extract_range_from_unary_expr): Likewise.
4174 2007-01-07 Anatoly Sokolov <aesok@post.ru>
4176 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
4177 * config/avr/avr.c (call_insn_operand): Delete function.
4178 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
4179 instead of register number. Use predicates.
4180 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
4181 call_insn_operand): Add.
4183 2007-01-06 Jan Hubicka <jh@suse.cz>
4185 * tree-pass.h (pass_build_cgraph_edges): Declare.
4186 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
4187 (visited_nodes): Remove.
4188 (cgraph_create_edges): Move to cgraphbuild.c; rename to
4189 build_cgrpah_edges; make visited_nodes local.
4190 (cgraph_process_new_functions): DO not call initialize_inline_failed.
4191 (record_references_in_initializer): Move to cgraphbuild.c
4192 (initialize_inline_failed, rebuild_cgraph_edges,
4193 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
4194 (verify_cgraph_node): Make visited_nodes local.
4195 (cgraph_analyze_function): Do not call cgraph_create_edges and
4196 initialize_inline_failed.
4197 (cgraph_expand_function): Do not call cgraph_lower_function;
4198 assert that function is already lowered.
4199 * Makefile.in (cgraphbuild.o): New.
4200 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
4201 at the end of lowering passes.
4203 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
4205 * ifcvt.c (cond_move_convert_if_block): New function, code
4206 factored out from...
4207 (cond_move_process_if_block): ...here. Call the new function
4208 on the THEN and ELSE blocks.
4209 (merge_if_block): Do not copy global_live_at_end, merge_blocks
4210 already takes care of this.
4212 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4215 * tree.h (TREE_OVERFLOW_P): New.
4216 * c-typeck.c (parser_build_unary_op): Warn only if result
4217 overflowed and operands did not.
4218 (parser_build_binary_op): Likewise.
4219 (convert_for_assignment): Remove redundant overflow_warning.
4220 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
4222 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4224 * c-typeck.c (store_init_value): Split over two lines to follow
4225 the GNU coding style.
4227 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
4229 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
4230 __GXX_EXPERIMENTAL_CXX0X__.
4231 * doc/cpp.texi: Same.
4233 2007-01-05 Richard Guenther <rguenther@suse.de>
4236 * tree.c (get_narrower): Do not construct COMPONENT_REFs
4237 with mismatched types. Instead explicitly build a
4238 conversion NOP_EXPR.
4240 2007-01-05 Ian Lance Taylor <iant@google.com>
4242 * c-common.c (decl_with_nonnull_addr_p): New function.
4243 (c_common_truthvalue_conversion): Call it.
4244 * c-typeck.c (build_binary_op): Likewise.
4245 * c-common.h (decl_with_nonnull_addr_p): Declare.
4247 2007-01-05 Jakub Jelinek <jakub@redhat.com>
4250 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
4253 2007-01-05 Joel Brobecker <brobecker@adacore.com>
4255 * doc/install.texi (Final install): Document the fact that
4256 the GNAT runtime should not be stripped.
4258 2007-01-04 Jan Hubicka <jh@suse.cz>
4260 * tree-inline.c (fold_marked_statements): Update operand caches
4261 and EH after folding
4263 2007-01-04 Ian Lance Taylor <iant@google.com>
4265 * c-common.c (check_function_nonnull): Whitespace fix.
4267 2007-01-04 Jan Hubicka <jh@suse.cz>
4269 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
4270 comitted older version of patch.
4271 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
4272 function, celanup cfg and collect garbage.
4274 2007-01-04 Mike Stump <mrs@apple.com>
4276 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
4279 2007-01-04 Eric Christopher <echristo@apple.com>
4281 * libgcc2.c (__bswapsi2): Use SItype.
4282 (__bswapdi2): Use DItype.
4283 * libgcc2.h: Update for above.
4285 2007-01-04 Paul Brook <paul@codesourcery.com>
4287 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
4288 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
4289 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
4290 umulsidi3, umulsidi3adddi, smulsi3_highpart,
4291 umulsi3_highpart): Make conditional on !arm_arch6.
4292 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
4293 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
4294 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
4295 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
4296 umulsi3_highpart_v6): New insns.
4298 2007-01-04 Roger Sayle <roger@eyesopen.com>
4300 * fold-const.c (fold_convert): When casting an expression to void,
4301 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
4302 have a type. Instead of attempting to build a NOP_EXPR, return
4303 these "special" trees directly.
4305 2007-01-04 Joseph Myers <joseph@codesourcery.com>
4307 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
4308 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
4309 rs6000_cost->fp not 0 as adjustment for outer NEG.
4311 2007-01-04 Jan Hubicka <jh@suse.cz>
4313 * cgraph.c (cgraph_release_function_body): New function.
4314 (cgraph_remove_node): Use it.
4315 * cgraph.h (cgraph_release_function_body): Declare.
4316 * cgraphunit.c (cgraph_expand_function): Use it.
4317 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
4318 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
4319 is initialized and while compilation of other function is running.
4320 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
4321 statement CFG annotations from here to ...
4322 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
4324 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
4326 * cfgloop.h (enum li_flags): Make the constants powers of two.
4328 2007-01-04 Jan Hubicka <jh@suse.cz>
4330 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
4332 (fold_marked_statements): New function.
4333 (optimize_inline_calls, tree_function_versioning): Fold new statements.
4334 * tree-inline.h (copy_body_data): Add statements_to_fold.
4336 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
4338 * config.gcc: Mention libgcc/config.host.
4339 * Makefile.in: Update comments mentioning libgcc.
4340 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
4341 (all.cross, start.encap, rest.encap, rest.cross): Update
4342 dependencies for libgcc move.
4343 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
4344 (clean-target, clean-target-libgcc): Delete.
4345 (srcdirify, GCC_EXTRA_PARTS): New macros.
4346 (libgcc-support, libgcc.mvars): New rules.
4347 (distclean): Remove mention of mklibgcc.
4348 (install): Don't reference INSTALL_LIBGCC.
4349 (install-common): Don't reference EXTRA_PARTS.
4350 (install-libgcc, install-multilib): Delete rules.
4351 * mklibgcc.in: Delete file.
4352 * doc/configfiles.texi: Don't mention mklibgcc.
4354 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
4355 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
4356 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
4357 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
4358 (mklibgcc, ldblspecs): Likewise.
4360 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
4361 (posixpre.def): Use $(T).
4362 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
4363 (SHLIB_SRC, SHLIB_INSTALL): Delete.
4364 (SHLIB_LINK): Make dummy.
4365 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
4367 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
4369 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
4370 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
4371 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
4372 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
4374 * configure.ac (all_outputs): Remove mklibgcc.
4375 * configure: Regenerated.
4377 2007-01-03 Josh Conner <jconner@apple.com>
4380 * calls.c (compute_argument_addresses): Set stack and stack_slot
4381 for partial args, too.
4382 (store_one_arg): Use locate.size.constant for the size when
4383 generating a save_area.
4385 2007-01-03 Robert Kennedy <jimbob@google.com>
4387 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
4388 whose definitions are deleted due to basic block merging.
4390 2007-01-03 Paul Brook <paul@codesourcery.com>
4393 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
4395 (use_return_insn): Return 0 for Thumb interrupt functions.
4396 (print_multi_reg): Add rfe argument for IRQ returns.
4397 (arm_output_epilogue): Pop interrupt return address directly into PC.
4398 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
4400 2007-01-03 Paul Brook <paul@codesourcery.com>
4402 Merge from sourcerygxx-4_1.
4403 * config/arm/thumb2.md: New file.
4404 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
4406 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
4407 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4408 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
4409 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
4411 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
4412 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
4414 * config/arm/ieee754-sf.S: Ditto.
4415 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
4416 (thumb1_base_register_rtx_p): ... to this.
4417 (thumb_index_register_rtx_p): Rename...
4418 (thumb1_index_register_rtx_p): ... to this.
4419 (thumb_output_function_prologue): Rename...
4420 (thumb1_output_function_prologue): ... to this.
4421 (thumb_legitimate_address_p): Rename...
4422 (thumb1_legitimate_address_p): ... to this.
4423 (thumb_rtx_costs): Rename...
4424 (thumb1_rtx_costs): ... to this.
4425 (thumb_compute_save_reg_mask): Rename...
4426 (thumb1_compute_save_reg_mask): ... to this.
4427 (thumb_final_prescan_insn): Rename...
4428 (thumb1_final_prescan_insn): ... to this.
4429 (thumb_expand_epilogue): Rename...
4430 (thumb1_expand_epilogue): ... to this.
4431 (arm_unwind_emit_stm): Rename...
4432 (arm_unwind_emit_sequence): ... to this.
4433 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
4434 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
4435 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
4436 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
4437 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
4438 thumb2_output_casesi): New functions.
4439 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
4440 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
4441 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
4442 THUMB2_WORK_REGS): Define.
4443 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
4444 arm_condexec_mask, arm_condexec_masklen)): New variables.
4445 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
4446 (arm_override_options): Check new CPU capabilities.
4447 Set new architecture flag variables.
4448 (arm_isr_value): Handle v7m interrupt functions.
4449 (user_return_insn): Return 0 for v7m interrupt functions. Handle
4451 (const_ok_for_arm): Handle Thumb-2 constants.
4452 (arm_gen_constant): Ditto. Use movw when available.
4453 (arm_function_ok_for_sibcall): Return false for v7m interrupt
4455 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
4456 (thumb_find_work_register, arm_load_pic_register,
4457 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
4458 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
4459 print_multi_reg, output_mov_long_double_fpa_from_arm,
4460 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
4461 output_mov_double_fpa_from_arm, output_move_double,
4462 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
4463 output_return_instruction, arm_output_function_prologue,
4464 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
4465 arm_output_mi_thunk, thumb_set_return_address): Ditto.
4466 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
4467 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
4468 (arithmetic_instr, shift_op): Use arm_shift_nmem.
4469 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
4471 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
4472 (thumb_expand_prologue): Use thumb_set_frame_pointer.
4473 (arm_file_start): Output directive for unified syntax.
4474 (arm_unwind_emit_set): Handle stack alignment instruction.
4475 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
4476 Add v6t2, v7, v7a, v7r and v7m.
4477 (RETLDM): Add Thumb-2 code.
4478 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
4479 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
4480 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
4481 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
4482 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
4483 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
4484 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
4485 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
4486 ADJUST_INSN_LENGTH): Define.
4487 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
4488 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
4489 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
4490 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
4491 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4492 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
4493 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
4494 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
4495 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
4496 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
4497 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
4498 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
4499 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
4500 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
4501 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
4502 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
4503 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
4505 * config/arm/arm-tune.md: Regenerate.
4506 * config/arm/arm-protos.h: Update prototypes.
4507 * config/arm/vfp.md: Enable patterns for Thumb-2.
4508 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
4509 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
4510 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
4511 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
4512 * config/arm/libunwind.S: Add Thumb-2 code.
4513 * config/arm/constraints.md: Update include Thumb-2.
4514 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
4515 * config/arm/ieee754-df.S: Ditto.
4516 * config/arm/bpabi.S: Ditto.
4517 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
4518 * config/arm/predicates.md (low_register_operand,
4519 low_reg_or_int_operand, thumb_16bit_operator): New.
4520 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
4521 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
4522 * config/arm/t-arm-elf: Add armv7 multilib.
4523 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
4525 (UNSPEC_STACK_ALIGN, ce_count): New.
4526 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
4527 arm_zero_extendsidi2, arm_zero_extendqidi2): New
4529 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
4530 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
4531 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
4532 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
4533 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
4534 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
4536 * doc/extend.texi: Document ARMv7-M interrupt functions.
4537 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
4539 2007-01-03 Jakub Jelinek <jakub@redhat.com>
4541 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
4542 (struct _Unwind_Context): Rename args_size to flags, remove
4543 signal_frame field, add a new args_size field and version field.
4544 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
4545 _Unwind_IsExtendedContext): New inline functions.
4546 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4547 Assume by_value array is only present if _Unwind_IsExtendedContext.
4548 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
4549 _Unwind_IsSignalFrame.
4550 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
4551 (uw_update_context_1): Use _Unwind_SetSignalFrame.
4552 (uw_init_context_1): Initialize context->flags to
4553 EXTENDED_CONTEXT_BIT.
4554 * config/rs6000/linux-unwind.h (frob_update_context): Use
4555 _Unwind_SetSignalFrame.
4557 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4560 * gimplify.c (gimplify_modify_expr_complex_part): Move below
4561 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
4564 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
4566 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
4567 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
4568 RET, AT_SP): Remove.
4569 * config/i386/i386.md (*sse_prologue_save_insn): Use return
4572 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4573 * cfgbuild.c (find_basic_blocks): Likewise.
4574 * cfgrtl.c (rtl_create_basic_block): Likewise.
4575 * function.c (temp_slots_at_level): Likewise.
4576 * reg-stack.c (stack_regs_mentioned): Likewise.
4577 * regclass.c (allocate_reg_info): Likewise.
4578 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4579 set_bb_for_stmt, move_block_to_fn): Likewise.
4580 * tree-complex.c (tree_lower_complex): Likewise.
4581 * vec.h (VEC_safe_grow_cleared): New.
4583 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
4585 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
4587 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
4588 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
4590 * cfgloopmanip.c (scale_loop_frequencies): Export.
4591 (loopify): Scale the frequencies by prescribed coefficients.
4592 (set_zero_probability): New function.
4593 (duplicate_loop_to_header_edge): Improve updating of frequencies.
4594 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
4595 and frequencies according to arguments.
4596 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
4598 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
4599 * modulo-sched.c (sms_schedule): Set probabilities for entering
4600 versioned loop correctly.
4601 * tree-vect-transform.c (vect_transform_loop): Ditto.
4602 * cfgloop.h (loopify, loop_version): Declaration changed.
4603 (scale_loop_frequencies): Declared.
4605 2007-01-02 Jan Hubicka <jh@suse.cz>
4607 * cgraph.c: Include tree-flow.h
4608 (cgraph_add_new-function): Handle IPA_SSA mode; execute
4610 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
4611 * tree-pass.h (pass_all_early_optimizations): Declare.
4612 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
4614 (cgraph_analyze_function): Do early_local_passes.
4615 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4616 Do not add referenced vars.
4617 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
4619 (gate_all_early_local_passes): New gate.
4620 (pass_early_local_passes): Use new gate.
4621 (execute_early_local_optimizations): New functions.
4622 (gate_all_early_optimizations): New gate.
4623 (pass_all_early_optimizations): New pass.
4624 (execute_free_datastructures): Free SSA only when initialized.
4625 (gate_init_datastructures): Init only when optimizing.
4626 (tree_lowering_passes): Do early local passes when called late.
4627 * tree-profile.c (do_tree_profiling): Don't profile functions added
4629 (do_early_tree_profiling, pass_early_tree_profile): Kill.
4630 * tree-cfg.c (update_modified_stmts): Do not update when operands are
4632 * passes.c (init_optimizations_passes): Reorder so we go into SSA
4633 during early_local_passes.
4634 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
4637 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
4639 * Makefile.in: Update copyright year.
4641 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
4643 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
4644 in $(lang_checks) and check-consistency targets.
4646 2007-01-02 Jan Hubicka <jh@suse.cz>
4648 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
4649 Do not add referenced vars.
4650 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
4652 * passes.c (init_optimization_passes): Put mudflap_2 after
4653 free_datastructures.
4655 2007-01-02 Jan Hubicka <jh@suse.cz>
4657 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
4658 Set NOTHROW flag on call statements proved to be nothrow.
4659 Update statement of local calls so new pure/const functions are
4660 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
4662 (tree_rest_of_compilation): Register hooks and initialize bitmap
4663 early. Do not set after_inlining flag.
4665 2007-01-02 Steve Ellcey <sje@cup.hp.com>
4667 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
4668 HOST_BITS_PER_LONGLONG
4670 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4673 * c-typeck.c (store_init_value): Don't emit pedantic overflow
4674 warning for non-static initializers.
4676 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
4678 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
4679 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
4680 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
4681 Always use set_unique_reg_note to add REG_EQUAL notes.
4683 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
4686 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
4688 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4689 * cfgbuild.c (find_basic_blocks): Likewise.
4690 * cfgrtl.c (rtl_create_basic_block): Likewise.
4691 * function.c (temp_slots_at_level): Likewise.
4692 * reg-stack.c (stack_regs_mentioned): Likewise.
4693 * regclass.c (allocate_reg_info): Likewise.
4694 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4695 set_bb_for_stmt, move_block_to_fn): Likewise.
4696 * tree-complex.c (tree_lower_complex): Likewise.
4697 * vec.h (VEC_safe_grow_cleared): New.
4699 2007-01-02 Ian Lance Taylor <iant@google.com>
4701 * c-common.c (c_common_truthvalue_conversion): When warning about
4702 using an assignment as a truth value, set TREE_NO_WARNING.
4704 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4707 * c.opt (Wold-style-declaration): New.
4708 * doc/invoke.texi (C-only Warning Options): New.
4709 (Wold-style-declaration): Document it.
4710 (Wextra): Enabled by -Wextra.
4711 * c-opts.c (c_common_post_options): Enabled by -Wextra.
4712 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
4713 -Wold-style-declaration.
4715 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
4717 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
4718 * cfgbuild.c (find_basic_blocks): Likewise.
4719 * cfgrtl.c (rtl_create_basic_block): Likewise.
4720 * function.c (temp_slots_at_level): Likewise.
4721 * reg-stack.c (stack_regs_mentioned): Likewise.
4722 * regclass.c (allocate_reg_info): Likewise.
4723 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
4724 set_bb_for_stmt, move_block_to_fn): Likewise.
4725 * tree-complex.c (tree_lower_complex): Likewise.
4726 * vec.h (VEC_safe_grow_cleared): New.
4728 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
4730 * c-common.c (c_common_nodes_and_builtins): Since variants of
4731 void_type_node get built before it is given a name, we need to
4732 give those variants the name, too.
4733 (complete_array_type): We need to work with the canonical main
4734 type of the array, from which we will build the qualified version.
4735 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
4736 * print-tree.c (print_node): Display canonical type information
4738 * stor-layout.c (layout_type): When we don't know the
4739 alignment of a type for which we're building an array, we end up
4740 guessing wrong, so make the type require structural equality.
4741 * tree.c (make_node_stat): When we build a new type, it is its
4743 (build_type_attribute_qual_variant): When building an attribute
4744 variant, its canonical type is the non-attribute variant. However,
4745 if the attributes are target-dependent and they differ, we need to
4746 use structural equality checks for this type.
4747 (build_qualified_type): A qualified type is not equivalent to its
4748 unqualified variant; set the canonical type appropriately.
4749 (build_distinct_type_copy): When building a distinct type from
4750 another type, the new type is its own canonical type.
4751 (build_variant_type_copy): When building a new type variant, we
4752 assume that it is equivalent to the original type.
4753 (build_pointer_type_for_mode): When building a pointer type, also
4754 build a canonical type pointer.
4755 (build_reference_type_for_mode): When building a reference type,
4756 also build a canonical type reference.
4757 (build_index_type): When we can't hash an index type (e.g.,
4758 because its maximum value is negative), the index type requires
4759 structural equality tests.
4760 (build_array_type): Build the canonical form of an array type.
4761 (build_function_type): Function types require structural equality,
4762 because they contain default arguments, attributes, etc.
4763 (build_method_type_directly): Ditto for method types.
4764 (build_offset_type): Build the canonical offset type.
4765 (build_complex_type): Build the canonical vector type.
4766 (make_vector_type): Build the canonical vector type.
4767 * tree.h (TYPE_CANONICAL): New.
4768 (TYPE_STRUCTURAL_EQUALITY_P): New.
4769 (SET_TYPE_STRUCTURAL_EQUALITY): New.
4770 (struct tree_type): Added "canonical" field.
4771 * params.h (VERIFY_CANONICAL_TYPES): New.
4772 * doc/c-tree.texi (TYPE_CANONICAL): Document.
4773 (TYPE_STRUCTURAL_EQUALITY_P): Document.
4774 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
4775 * doc/invoke.texi (verify-canonical-types): Document --param
4776 parameter for verifying canonical types.
4778 2007-01-02 Joseph Myers <joseph@codesourcery.com>
4780 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
4781 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
4782 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
4783 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
4785 * config/rs6000/e500.h: New.
4786 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
4787 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
4789 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
4790 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
4791 TARGET_E500_DOUBLE): Remove.
4792 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
4793 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
4794 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
4795 * config/rs6000/rs6000.c (rs6000_override_options): Use
4798 2007-01-02 Joseph Myers <joseph@codesourcery.com>
4800 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
4801 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
4802 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
4803 rs6000_emit_cmove): Don't check TARGET_E500.
4804 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
4805 sordered): Don't check TARGET_E500.
4807 2007-01-01 Eric Christopher <echristo@apple.com>
4809 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
4810 HARD_REGISTER_NUM_P.
4812 2007-01-01 Roger Sayle <roger@eyesopen.com>
4814 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
4815 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
4816 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
4819 2007-01-01 Mike Stump <mrs@apple.com>
4821 * configure.ac: Remove support for building with Apple's gcc-3.1.
4823 2007-01-02 Joseph Myers <joseph@codesourcery.com>
4826 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
4827 REG is a hard register. Do not modify REG before calling
4829 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
4830 multiple of the size of YMODE for certain lowpart cases.
4832 2007-01-01 Andrew Pinski <pinskia@gmail.com>
4835 * gimplify (voidify_wrapper_expr): Update for
4838 2007-01-01 Andreas Schwab <schwab@suse.de>
4841 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
4842 save of BR0 in extra_spill_size instead of spill_size.
4843 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
4845 (ia64_expand_epilogue): Restore BR0 from its new location.
4847 2007-01-01 Andrew Pinski <pinskia@gmail.com>
4849 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
4850 Use a temporary variable if the left hand side is not a gimple
4853 2007-01-01 Andrew Pinski <pinskia@gmail.com>
4855 * gimplify.c (gimplify_return_expr): Make the temporary variable
4856 for the return expression, a gimple register variable.
4858 2007-01-01 Jan Hubicka <jh@suse.cz>
4860 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
4863 2007-01-01 Mike Stump <mrs@apple.com>
4865 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
4867 * config/darwin.c (machopic_select_rtx_section): Use
4869 (darwin_mergeable_constant_section): Likewise.
4870 * configure: Regenerate.
4871 * config.in: Regenerate.
4873 2007-01-01 Jan Hubicka <jh@suse.cz>
4874 Andrew Pinski <pinskia@gmail.com>
4876 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
4877 before starting IPA passes.