+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
+ (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
+ * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
+ * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
+ * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
+ * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
+ (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
+ (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
+ (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
+ * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
+ * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
+ (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
+ (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
+ (DBX_REGISTER_NUMBER): Delete.
+ * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
+ (PCC_STATIC_STRUCT_RETURN): Don't undefine.
+ * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
+ * config/flat.h: New file.
+ * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
+ OBJECT_FORMAT_FLAT.
+ * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
+ indirect references for -msep-data or -mid-shared-library.
+ Do not use PC-relative code addresses either.
+ * config/m68k/m68k.c (override_options): Restrict -fPIC error
+ to -mpcrel.
+ * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
+ for shared libraries and crt1.o for executables. Use crti.o and
+ crtbegin.o.
+ (ENDFILE_SPEC): Use crtend.o and crtn.o.
+ (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
+ Do not add -elf2flt or -shared-lib-id options here.
+ (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
+ Pass -shared-lib-id if -mid-shared-library, taking the library
+ identifier from -mshared-library-id if given, otherwise
+ defaulting to 0.
+ (EH_FRAME_IN_DATA_SECTION): Do not undefine.
+ (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
+ (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
+ and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
+ (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
+ * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
+ and crtend.o.
+ * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
+ jump sequence for ISA A and ISA A+.
+ (PICJUMP): Likewise.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m68k-*-uclinux*): Base the port on the common
+ and m68k GNU/Linux files rather than on the generic ELF ones.
+ * config/m68k/uclinux.h (TARGET_VERSION): Override.
+ (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
+
+2007-01-18 Julian Brown <julian@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
+ * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
+ before redefining.
+ * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
+ 80 unconditionally.
+ (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/install.texi: Document m68k-uclinuxoldabi.
+ * config.gcc (m68k-*-uclinuxoldabi): New configuration.
+ * config/m68k/uclinux-oldabi.h: New file, copied from
+ config/m68k/uclinux.h.
+
+2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
+ * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
+ (m32r_compute_frame_size): Use unsigned for regno.
+ (m32r_reload_lr): Use gen_frame_mem.
+ (pop): New.
+ (m32r_output_function_epilogue): Don't output the function epilogue
+ textually here.
+ (m32r_expand_epilogue): New.
+ (direct_return): Return false if the function has the interrupt
+ attribute.
+ (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
+ * config/m32r/m32r.md (epilogue): New expander.
+ (return_lr, return_rte): New insns.
+ (return): Make it expander.
+ (return_normal): New expander.
+
+2007-01-18 Josh Conner <jconner@apple.com>
+
+ PR target/30485
+ * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
+ support for UNLE, UNLT, UNGE, and UNGT.
+
+2007-01-18 Jan Hubicka <jh@suse.cz>
+
+ * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
+ * tree-tailcall (add_virtual_phis): Likewise.
+ (optimize_tail_call): Return TODOs.
+ (execute_tail_calls): Return TODOs.
+ * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
+ * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
+ changed.
+ * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
+ Cleanup cfg using TODO.
+ * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
+ * passes.c (execute_function_todo): When cleanup did something, remove
+ unused locals.
+ * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
+ (make_edges): Don't cleanup_cfg.
+
+2007-01-18 Uros Bizjak <ubizjak@gmail.com>
+
+ * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
+ UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
+ operate on the top of stack.
+ [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
+ register handling of instructions that output to the second
+ stack slot.
+ [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
+ (move_for_stack_reg): Special-case check for dead destination
+ stack slot for constant load of 1.0 inside UNSPEC_TAN.
+
+ * config/i386/i386.md (UNSPEC_TAN): New constant.
+ (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
+ (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
+ to correctly model move of constant 1.0 to top stack slot.
+ (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
+ (unnamed peephole2 pattern): Remove corresponding peephole2
+ pattern that optimizes tan insn and loading of constant 1.0.
+ (tanxf2): Use fptanxf4_i387.
+ (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
+ patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
+ and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
+ disable patterns for SSE math.
+ (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
+ (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
+
+2007-01-18 Dirk Mueller <dmueller@suse.de>
+ Richard Guenther <rguenther@suse.de>
+
+ PR diagnostic/8268
+ * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
+ * common.opt (Warray-bounds): Add new warning option.
+ * c-opts.c (c_common_handle_option): Define -Warray-bounds
+ if -Wall is given.
+ * Makefile.in: make tree-vrp.o depend on toplev.h
+ * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
+ is enabled.
+ (check_array_refs, check_array_bounds, check_array_ref): New.
+
+2007-01-18 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
+ (execute_ssa_ccp): Return flags conditionally.
+ * tree-ssa-propagate.c (substitue_and_fold): Return if something was
+ changed.
+ * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
+
+2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
+ the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
+
+ * Makefile.c (GTFILES): Add cfglayout.h.
+ * gengtype.c (open_base_files): Likewise.
+ * cfglayout.c (cfg_layout_function_footer,
+ cfg_layout_function_header) Reindent to make gengtype happy.
+ * cfglayout.h (cfg_layout_function_footer,
+ cfg_layout_function_header): Add GTY(()) marker.
+
+ * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
+
+2007-01-18 Ben Elliston <bje@au.ibm.com>
+
+ * genautomata.c (write_automata): Include xstrerror output in the
+ error message if writing the DFA description file fails.
+
+2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/mips/mips-protos.h (mips_output_external): Make it
+ return void.
+ * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
+ * config/mips/mips.c (irix_output_external_libcall): Likewise.
+ (extern_list): Likewise.
+ (extern_head): Likewise.
+ (TARGET_ASM_FILE_END): Likewise.
+ (mips_file_end): Likewise.
+ (mips_output_external): Rewritten.
+
+2007-01-18 Ben Elliston <bje@au.ibm.com>
+
+ * genpreds.c (write_insn_preds_c): Only write out the function
+ body for regclass_for_constraint if we have register constraints.
+
+2007-01-17 Tom Tromey <tromey@redhat.com>
+
+ * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
+ * doc/install.texi (Testing): Use sourceware.org.
+ (Binaries): Likewise.
+ (Specific): Likewise.
+ * doc/contrib.texi (Contributors): Use sourceware.org.
+
+2007-01-17 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
+ (AVR_ENHANCED): Rename to ...
+ (AVR_HAVE_MUL): ... new.
+ (avr_enhanced_p): Rename to ...
+ (avr_have_mul_p): ... new.
+ (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
+ 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
+ * config/avr/avr.c (avr_enhanced_p): Rename to ...
+ (avr_have_mul_p): ... new.
+ (base_arch_s): Rename 'enhanced' to 'have_mul'.
+ (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
+ 'avr_enhanced_p' and 'enhanced'.
+ (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
+ AVR_HAVE_MUL instead of AVR_ENHANCED.
+ * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
+ (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
+ *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
+ instead of AVR_ENHANCED.
+ (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
+ * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
+ (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
+
+2007-01-17 Ian Lance Taylor <iant@google.com>
+
+ * vec.h (VEC_reserve_exact): Define.
+ (vec_gc_p_reserve_exact): Declare.
+ (vec_gc_o_reserve_exact): Declare.
+ (vec_heap_p_reserve_exact): Declare.
+ (vec_heap_o_reserve_exact): Declare.
+ (VEC_OP (T,A,reserve_exact)): New static inline function, three
+ versions.
+ (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
+ negative parameter.
+ (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
+ (VEC_OP (T,A,copy)) [all versions]: Likewise.
+ (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
+ * vec.c (calculate_allocation): Add exact parameter. Change all
+ callers.
+ (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
+ (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
+ (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
+ (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
+ (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
+ (vec_heap_p_reserve_exact): New function.
+ (vec_heap_o_reserve_exact): New function.
+
+2007-01-17 Jan Hubicka <jh@suse.cz>
+
+ * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
+
+2007-01-17 Eric Christopher <echristo@apple.com>
+
+ * config.gcc: Support core2 processor.
+
+2007-01-16 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
+ the names, just unlink the chain so we don't crash on dangling pointers
+ to dead SSA names.
+
+2007-01-16 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
+ * tree-pass.h: Reorder to make IPA passes appear toegher.
+ (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
+ * cgraphunit.c (cgraph_finalize_function): Do not compute inling
+ parameters, do not call early inliner.
+ * ipa-inline.c: Update comments. Include tree-flow.h
+ (cgraph_decide_inlining): Do not compute inlining parameters.
+ (cgraph_decide_inlining_incrementally): Return TODOs; assume to
+ be called with function context set up.
+ (pass_ipa_inline): Remove unreachable functions before pass.
+ (cgraph_early_inlining): Simplify assuming to be called from the
+ PM as local pass.
+ (pass_early_inline): New pass.
+ (cgraph_gate_ipa_early_inlining): New gate.
+ (pass_ipa_early_inline): Turn into simple wrapper.
+ (compute_inline_parameters): New function.
+ (gate_inline_passes): New gate.
+ (pass_inline_parameters): New pass.
+ (apply_inline): Move here from tree-optimize.c
+ (pass_apply_inline): New pass.
+ * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
+ transforming.
+ * tree-inline.c (optimize_inline_calls): Return TODOs rather than
+ doing them by hand.
+ (tree_function_versioning): Do not allocate dummy struct function.
+ * tree-inline.h (optimize_inline_calls): Update prototype.
+ * tree-optimize.c (execute_fixup_cfg): Export.
+ (pass_fixup_cfg): Remove
+ (tree_rest_of_compilation): Do not apply inlines.
+ * tree-flow.h (execute_fixup_cfg): Declare.
+ * Makefile.in (gt-passes.c): New.
+ * passes.c: Include gt-passes.h
+ (init_optimization_passes): New passes.
+ (nnodes, order): New static vars.
+ (do_per_function_toporder): New function.
+ (execute_one_pass): Dump current pass here.
+ (execute_ipa_pass_list): Don't dump current pass here.
+
+2007-01-16 Janis Johnson <janis187@us.ibm.com>
+
+ * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
+ (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
+
+2007-01-16 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
+ (strong_alias): Define.
+ (__gcc_qmul): Provide non-FMA for soft-float.
+ (__gcc_qdiv): Same.
+ (__gcc_qneg): New.
+ (__gcc_qeq): New.
+ (__gcc_qle): New.
+ (__gcc_qge): New.
+ (__gcc_qunord): New.
+ (__gcc_stoq): New.
+ (__gcc_dtoq): New.
+ (__gcc_qtos): New.
+ (__gcc_qtod): New.
+ (__gcc_qtoi): New.
+ (__gcc_qtou): New.
+ (__gcc_itoq): New.
+ (__gcc_utoq): New.
+ (fmsub): New.
+ * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
+ soft-float functions.
+ * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
+ * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
+ about long double soft float.
+
+2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
+ Tehila Meyzels <tehila@il.ibm.com>
+
+ * tree-vectorizer.h (is_pattern_stmt_p): New.
+ * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
+ formatting (tabs instead of spaces). Cleanup and clarify setting
+ of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
+ * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
+ (vectorizable_type_demotion): Check that types are integral.
+ (vectorizable_type_promotion): Likewise.
+ (vectorizable_store): Fix typo. Eliminate new-line at end of
+ comments.
+
+2007-01-16 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
+ cgraph edges too.
+
+2007-01-15 Eric Christopher <echristo@apple.com>
+
+ * ifcvt.c: Include vec.h, vecprim.h.
+ (check_cond_move_block): New argument regs.
+ Reorganize. Add registers used to regs.
+ (cond_move_process_if_block): Use regs set above as
+ loop bounds.
+
+2007-01-15 Eric Christopher <echristo@apple.com>
+
+ * config/darwin.h: Update copyright.
+ (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
+ (LINK_COMMAND_SPEC): Add -u.
+ (LINK_SPEC): Fix umbrella for above.
+
+2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
+
+ * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
+ glibc CVS.
+
+2007-01-15 Tom Tromey <tromey@redhat.com>
+
+ * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
+ * doc/install.texi (Testing): Don't mention jacks.
+ (Configuration): Document --enable-java-maintainer-mode. Move
+ --with-java-home to libgcj-specific section. Document
+ --with-ecj-jar.
+ (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
+
+2007-01-15 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-dce.c (DCE_TODOs): New.
+ (propagate_necessity): Return if something changed.
+ (eliminate_unnecessary_stmts): Likewise.
+ (perform_tree_ssa_dce): Return TODO flags when needed.
+ (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
+
+2007-01-15 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
+ (fyl2x_extend<mode>xf3_i387): New insn pattern.
+ (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
+ patterns using X87MODEF12 mode macro. Extend operand 1
+ to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
+ (log10<mode>2): Ditto.
+ (log2<mode>2): Ditto.
+ (log1p<mode>2): Ditto.
+ (logb<mode>2): Ditto.
+ (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
+ (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
+ (*fxtractxf3_i387): Rename from *fxtractxf3.
+ (fxtract_extend<mode>xf3_i387): New insn pattern.
+ (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
+ * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
+ and gen_fyl2xxf3_i387().
+
+2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
+ * cfgloopmanip.c (fix_loop_placement): Made static. Use
+ get_loop_exit_edges. Changed return type to bool.
+ * cfgloop.h (fix_loop_placement): Declaration removed.
+
+2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
+
+ * param.h (MIN_VECT_LOOP_BOUND): New.
+ * params.def (MIN_VECT_LOOP_BOUND): New.
+ * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
+ argument - minimum threshold for number of iterations.
+ * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
+ argument to declaration.
+ * tree-vect-analyze.c (vect_analyze_operations): Check value of
+ MIN_VECT_LOOP_BOUND.
+ * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
+ slpeel_tree_peel_loop_to_edge with additional argument.
+ (vect_do_peeling_for_alignment): Likewise.
+ * doc/invoke.texi (min-vect-loop-bound): Document new param option.
+
+2007-01-14 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/30413
+ * config/i386/i386.c (print_operand) ['z']: Output 'b' for
+ operands of size 1.
+
+2007-01-14 Jan Hubicka <jh@suse.cz>
+
+ * tree-dfa.c (remove_referenced_var): New function.
+ * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
+ prune referenced vars list too.
+ * tree-flow.h (remove_referenced_var): Declare.
+
+2007-01-14 Jan Hubicka <jh@suse.cz>
+
+ * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
+ separately.
+ (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
+ (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
+ * except.h (verify_eh_throw_table_statements): Kill prototype.
+ * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
+ into call exrepssions.
+ * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
+ eh trhow verifier.
+ * tree-cfg.c: Include pointer-set.h.
+ (verify_node_sharing): Work on pointer set.
+ (verify_eh_throw_stmt_node): New.
+ (verify_stmts): Use pointers sets, verify throw_stmt.
+
+2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * ipa-reference.c (analyze_function): Consider also addresses taken
+ in phi nodes.
+
+2007-01-12 Roger Sayle <roger@eyesopen.com>
+
+ * c-typeck.c (null_pointer_constant_p): Replace use of
+ TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+ (build_c_cast): Likewise.
+
+2007-01-12 Roger Sayle <roger@eyesopen.com>
+
+ * tree.h (force_fit_type_double): Remove unused final argument.
+ * c-common.c (constant_expression_warning): Replace use of
+ TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+ (convert_and_check): Likewise.
+ (shorten_compare): Update call to force_fit_type_double.
+ (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
+ * convert.c (convert_to_pointer): Update call to
+ force_fit_type_double.
+ * fold-const.c (force_fit_type_double): Remove overflowed_const
+ argument.
+ (int_const_binop, fold_convert_const_int_from_int,
+ fold_convert_const_int_from_real, fold_div_compare,
+ fold_sign_changed_comparison, fold_unary, fold_negate_const,
+ fold_abs_const, fold_not_const): Remove the final argument from
+ calls to force_fit_type_double.
+
+2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * configure.ac: Set insn to "nop" for spu-*-* also.
+ * configure: Regenerate.
+
+2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
+
+ * builtins.def : Add BUILT_IN_FREE.
+
+2007-01-12 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/30443
+ * tree-inline.c (tree_function_versioning): Do not optimize when
+ cloning for inlining.
+
+2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * doc/loop.texi: Document recording of loop exits.
+ * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
+ (update_single_exits_after_duplication,
+ update_single_exit_for_duplicated_loop,
+ update_single_exit_for_duplicated_loops): Removed.
+ (duplicate_loop_to_header_edge): Do not call
+ update_single_exits_after_duplication and
+ update_single_exit_for_duplicated_loops.
+ (loop_version): Do not update single_exit information.
+ (fix_loop_structure): Use record_loop_exits instead of
+ mark_single_exit_loops.
+ * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
+ the lists of loop exits.
+ * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
+ split_edge, merge_blocks): Update the lists of loop exits.
+ * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
+ loop_optimizer_init.
+ * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
+ of mark_single_exit_loops.
+ (loop_optimizer_finalize): Call release_recorded_exits.
+ * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
+ LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
+ * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
+ update single exit information.
+ * lambda-code.c (perfect_nestify): Ditto.
+ * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
+ (mark_single_exit_loops): Removed.
+ (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
+ get_exit_descriptions, rescan_loop_exit, record_loop_exits,
+ dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
+ functions.
+ (get_loop_exit_edges, single_exit): Use recorded exit lists.
+ (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
+ (verify_loop_structure): Verify consistency of the exit lists.
+ (flow_loops_find): Use alloc_loop. Initialize exits hash.
+ (set_single_exit): Removed.
+ * cfgloop.h (struct loop_exit): New function.
+ (struct loop): single_exit_ field replaced by exits field.
+ (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
+ (struct loops): Added exits hash.
+ (mark_single_exit_loops, set_single_exit): Declaration removed.
+ (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Avoid use of @headitem.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
+ list of targets.
+
+2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
+ * config/m68k/m68k.opt: Resort options.
+ (mbitfield, mrtd, mshort): Remove RejectNegative properties.
+
+2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi: Document the macros that are defined by
+ m68k's -mtune and -mhard-float options.
+ * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
+ (m68k_cpp_cpu_family): Likewise.
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
+ of __ucfv*__ macros. Define __mcffpu__ if generating code for
+ ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
+ * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
+ (m68k_cpp_cpu_family): Likewise.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
+ macros besides mc68000 as tuning macros. Use a switch statement
+ to set them and mcpu32.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
+ (TARGET_68040_ONLY): Rename to...
+ (TARGET_68040): ...this.
+ * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
+ * config/m68k/m68k.md: Likewise.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
+ the -mcpu= argument associated with the --with-cpu setting.
+ Define M68K_DEFAULT_TUNE to the default -mtune= option,
+ if different from the one implied by the -mcpu setting.
+ Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
+ using mcpu=FOO as the default CPU option. Set target_cpu_default2.
+ * doc/invoke.texi: Mention ColdFire in the introduction to the
+ m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
+ -mno-div and -mhard-float options. Make -m68881 a synonym for
+ -mhard-float. Document the previously-undocumented -m5206e,
+ -m528x, -m5307 and -m5407 options. Tweak the existing option
+ documentation for consistency.
+ * doc/install.texi: Mention new --with-cpu arguments.
+ * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
+ default CPU if neither -mcpu nor -march are specified.
+ (ASM_CPU_SPEC): Pass down -mcpu and -march options.
+ (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
+ TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
+ using m68k_tune to decide between families that implement the
+ same ISA. Use m68k_tune to set __mcfv4e__.
+ (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
+ (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
+ (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
+ (FL_ISA_C, FL_ISA_MMU): New macros.
+ (MASK_COLDFIRE): Delete.
+ (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
+ (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
+ (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
+ (TARGET_HARD_FLOAT): Do not define here.
+ (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
+ (TUNE_68000): New macro.
+ (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
+ (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
+ (TUNE_CFV2): Redefine in terms of m68k_tune.
+ (uarch_type, target_device, fpu_type): New enums.
+ (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
+ * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
+ (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
+ (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
+ (FL_FOR_isa_c): New macros.
+ (m68k_isa): New enum.
+ (m68k_target_selection): New structure.
+ (all_devices, all_isas, all_microarchs): New tables.
+ (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
+ (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
+ (MASK_ALL_CPU_BITS): Delete.
+ (m68k_find_selection): New function.
+ (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
+ Map the legacy target options to a combination of the new ones.
+ (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
+ m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
+ to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
+ settings.
+ * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
+ (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
+ properties.
+ (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
+ (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
+ * config/m68k/m68k-devices.def: New file.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
+ (SUBTARGET_EXTRA_SPECS): New macros.
+ * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
+ use %(asm_cpu_spec) instead.
+ * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
+ * config/m68k/openbsd.h (ASM_SPEC): Likewise.
+ * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
+ (EXTRA_SPECS): Rename to...
+ (SUBTARGET_EXTRA_SPECS): ...this.
+
+2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+ (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
+ to the configuration's default CPU.
+ (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
+ Remove default masks.
+ (m680[012]0-*-*): Set the default with_cpu to the first part of
+ the target name.
+ (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
+ (m68k*-*-linux): Extend the --with-cpu handling to...
+ (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
+ and m68010. Don't set target_cpu_default2.
+ * doc/install.texi: Document --with-cpu for m68k.
+ * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
+ * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
+ (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
+ (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
+ (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
+ (ASM_SPEC): Remove use of %(asm_cpu_default).
+ (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
+ * config/m68k/linux.h (TARGET_DEFAULT): Delete.
+ (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
+ * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
+ __HAVE_FPU__ if TARGET_HARD_FLOAT.
+ (TARGET_DEFAULT): Delete.
+ (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
+ cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
+ (CPP_CPU_SPEC): Delete.
+ (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
+ the appropriate string.
+ (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
+ (CPP_SPEC): Define to NETBSD_CPP_SPEC.
+ (ASM_SPEC): Don't use %(asm_default_spec).
+ * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
+ TARGET_DEFAULT and add MASK_68881.
+ * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
+ (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
+ MASK_68010 alongside MASK_68020.
+ * doc/invoke.texi: Document -m68010.
+ * config/m68k/m68k.opt (m68010): New.
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
+ if TUNE_68010.
+ (TUNE_68010): New macro.
+ * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
+ (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
+ (M68K_CPU_m68332): Add MASK_68010.
+ * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
+ fallback definition.
+ * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
+ defines.
+ * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
+ (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
+ to all entries that use MASK_68020.
+ (output_move_simode_const, output_move_himode, output_move_qimode)
+ (output_move_stricthi, output_move_strictqi): Use TARGET_68010
+ instead of TARGET_68020 to select clr behavior. Remove comment
+ about there being no TARGET_68010.
+ * config/m68k/m68k.md: Likewise throughout.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_ISAB): New macro.
+ * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
+ * config/m68k/m68k.md: Likewise.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
+ TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (TUNE_68040_60): New macro.
+ * config/m68k/m68k.c (standard_68881_constant_p): Use it.
+ * config/m68k/m68k.md: Likewise.
+
+2007-01-12 Julian Brown <julian@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
+ instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
+ TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
+ TARGET_CPU32.
+ (TARGET_CPU32): Rename to...
+ (TUNE_CPU32): ...this.
+ (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
+ (TUNE_CFV2): New macros.
+ * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
+ remove conditions that are implied by TARGET_68020.
+ * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
+ instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
+ (m68k_output_function_epilogue): Likewise.
+ (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
+ and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
+ "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
+ non-68000 timings. Refactor multiplication and division costs.
+ (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
+ TUNE_CPU32 instead of TARGET_CPU32.
+ (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
+ and TUNE_68060 instead of TARGET_68060.
+ * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
+ TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
+ TARGET_CPU32.
+ (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
+ && !TARGET_COLDFIRE" to choose between moveq and clr.
+ Likewise in the unnamed movsf pattern.
+ (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
+ "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
+ ashiftrt pattern.
+
+2007-01-12 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
+ of tabbing before backslashes.
+
+2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
+ * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
+ (ASM_OUTPUT_INTERNAL_LABEL): Define.
+
+2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
+ find_interesting_uses_cond.
+ (find_interesting_uses_cond): Use extract_cond_operands.
+ (rewrite_use_compare): Use extract_cond_operands and
+ force_gimple_operand_bsi. Do not call update_stmt.
+ (determine_use_iv_cost_condition): Use extract_cond_operands.
+ Return cheaper of using original bound and changing the exit bound.
+
+2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/29516
+ * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
+ most_expensive_mult_to_index, addr_to_parts,
+ create_mem_ref, maybe_fold_tmr): Make the type of
+ fields of TARGET_MEM_REF sizetype.
+ (move_fixed_address_to_symbol, move_pointer_to_base):
+ New functions.
+ * tree.def (TARGET_MEM_REF): Add comment on types of
+ the operands.
+
+2007-01-11 Joseph Myers <joseph@codesourcery.com>
+
+ * c-common.c (vector_types_convertible_p): Treat opaque types as
+ always convertible if they have the same size, but not otherwise.
+
+2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
+
+ * ifcvt.c (struct noce_if_info): Add comments to the fields.
+ Remove the b_unconditional field.
+ (noce_try_sign_mask): Do not look at b_unconditional.
+ (noce_process_if_block): Do not use merge_if_blocks. Update
+ the CFG here. Do not set b_unconditional.
+ (cond_move_process_if_block): Likewise.
+ (find_cond_trap): Likewise.
+ (check_cond_move_block): Require simple jump insns at the end
+ of the basic block.
+
+2007-01-11 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/1046
+ * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
+ when alias info is not ready.
+ (pass_tail_recursion): Do not require aliasing.
+ * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
+ * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
+ * tree-ssa-copy.c (pass_copy_prop): Likewise.
+ * tree-ssa-forwprop.c (pass_forwprop): Likewise.
+ * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
+ * passes.c (init_optimization_passes): Execute rename_ssa_copies,
+ ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
+ before inlining.
+ * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
+ When aliasing is not build, mark statement as volatile.
+
+2007-01-11 Tom Tromey <tromey@redhat.com>
+
+ PR preprocessor/15185, PR preprocessor/20989:
+ * doc/cppopts.texi <-MT>: Update description of algorithm for
+ computing default target.
+ <-M, -MD>: Reword "basename" text.
+
+2007-01-11 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (expand_builtin_pow, expand_builtin_powi,
+ fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
+ fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
+ fold_builtin_int_int_roundingfn, fold_builtin_bitop,
+ fold_builtin_bswap, real_constp, fold_builtin_pow,
+ fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
+ do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
+ uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
+ * convert.c (convert_to_pointer): Likewise.
+ * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
+ * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
+ const_binop, fold_convert_const_int_from_int,
+ fold_convert_const_int_from_real,
+ fold_convert_const_real_from_real, sign_bit_p,
+ optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
+ fold_sign_changed_comparison, fold_unary, fold_comparison,
+ fold_binary, multiple_of_p, tree_Expr_non_zero_p,
+ fold_negate_const, fold_abs_const, fold_not_const): Likewise.
+ * print-tree.c (print_node_brief, print_node): Likewise.
+ * stor-layout.c (place_field, layout_type): Likewise.
+ * tree-chrec.c (keep_cast): Likewise.
+ * tree.c (build_vector, build_real, build_real_from_int_cst,
+ build_complex): Likewise.
+
+2007-01-11 Roger Sayle <roger@eyesopen.com>
+
+ * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
+ treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
+
+2007-01-11 Paolo Bonzini <bonzini@gnu.org>
+
+ * configure.ac (strict1_warn): Rename to strict_warn.
+ (WERROR, --enable-werror, symlink hacks, stage1_cflags,
+ cc_set_by_configure, quoted_cc_set_by_configure,
+ stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
+ all_boot_languages, all_stagestuff): Remove.
+ (target_list): Remove bootstrap targets.
+ * Makefile.in (quickstrap): Unconditionally make a synonym of all.
+ (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
+ REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
+ SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
+ VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
+ STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
+ stage1_copy, stage2_build, stage2_copy, stageprofile_build,
+ stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
+ stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
+ bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
+ bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
+ unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
+ restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
+ cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
+ *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
+ stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
+ stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
+ risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
+ (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
+ (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
+ (mostlyclean): Adjust.
+ (clean, distclean): Don't mention bootstrap stuff.
+ * configure: Regenerate.
+ * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
+ java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
+ treelang/config-lang.in (stagestuff): Remove.
+ * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
+ stageprofile, stagefeedback, stagestuff): Remove mention.
+
+2007-01-11 Nick Clifton <nickc@redhat.com>
+
+ * config/mcore/predicates.md (mcore_general_movesrc_operand):
+ Accept CONSTs.
+ (mcore_general_movdst_operand): Do not accept CONST_INTs.
+ (mcore_arith_K_S_operand): Run the test for the S constraint not
+ the test for the M constraint.
+ (mcore_addsub_operand): Do not accept integer values that are
+ larger than 32 bits.
+ * config/mcore/mcore.md: Remove unused constraints from split.
+ (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
+ (addsi3): Likewise.
+ (allocate_stack): Likewise.
+ * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
+ operands to 32 bits.
+ (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
+ INTVAL.
+ (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
+ mcore_const_ok_for_inline, mcore_const_trick_uses_not,
+ try_constant_tricks, mcore_num_ones, mcore_num_zeros,
+ mcore_output_bclri, mcore_output_andn, output_inline_const,
+ mcore_output_move, mcore_output_movedouble): Likewise.
+ (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
+ (output_inline_const): Likewise.
+ (output_inline_const): Fix format strings used in sprintf
+ statements.
+ * config/mcore/mcore-protos.h: Update prototypes for changed
+ functions in mcore.c.
+ * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
+ HOST_WIDE_INT and not int.
+ (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
+ CONST_OK_FOR_N): Likewise.
+ (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
+ (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
+ an INTVAL.
+
+2007-01-10 Jan Hubicka <jh@suse.cz>
+
+ * tree-vrp.c (remove_range_assertions): Release defs.
+ * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
+ * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
+
+2007-01-10 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
+ * config/arm/arm.md (mulsi3subsi): New insn.
+
+2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
+ (tree_transform_and_unroll_loop): New.
+ * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
+ Declare.
+
+2007-01-10 Robert Kennedy <jimbob@google.com>
+
+ * fold-const.c (fold_comparison): Fold comparisons like (x *
+ 1000 < 0) to (x < 0).
+
+2007-01-10 Ian Lance Taylor <iant@google.com>
+
+ * tree-pretty-print.c (dump_generic_node): Print parentheses when
+ operands have the same priority.
+
+2007-01-10 Tom Tromey <tromey@redhat.com>
+
+ * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
+ (fold_binary): Likewise.
+ * langhooks.c (lhd_can_use_bit_fields_p): Removed.
+ * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
+ (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
+ (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
+ * langhooks.h (struct lang_hooks): Removed field
+ 'can_use_bit_fields_p'.
+
+2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
+
+ * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
+
+2007-01-10 Razya Ladelsky <razya@il.ibm.com>
+
+ * function.c (get_last_funcdef_no): New function.
+ * function.h (get_last_funcdef_no): Declare.
+ * tree-inline.c (initialize_cfun): Add initialization.
+ (tree_function_versioning): Cleanup.
+
+2007-01-10 Jan Hubicka <jh@suse.cz>
+
+ * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
+ PHIs.
+
+2007-01-10 Sa Liu <saliu@de.ibm.com>
+ Ben Elliston <bje@au.ibm.com>
+
+ * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
+ for SAVE_NONLOCAL and Pmode for any other save level.
+ * spu-protos.h (spu_restore_stack_block): Declare.
+ * spu.md (save_stack_block): Remove.
+ (restore_stack_block): Call spu_restore_stack_block.
+ * spu.c (spu_restore_stack_block): New function.
+ (spu_expand_epilogue): Remove old comment.
+
+2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/30322
+ * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
+ (cand_value_at): Return the value as aff_tree.
+ (may_eliminate_iv): Convert the bound from aff_tree to tree.
+ * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
+ aff_combination_mult): New functions.
+ (aff_combination_add): Use aff_combination_add_cst.
+ (aff_combination_convert): Allow conversions to a wider type.
+ (tree_to_aff_combination): Handle BIT_NOT_EXPR.
+ * tree-affine.h (aff_combination_mult): Declare.
+
+2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
+
+ * doc/tm.texi: Update documentation to reflect reality of exec
+ and start file search behaviours. Update copyright year.
+ * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
+ header file directories.
+
+2007-01-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
+ (*cosxf2): Rename to cosxf2_i387.
+ (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
+ using X87MODEF12 mode macro. Rename patterns to
+ *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
+ for SSE math.
+ (*cosdf2, *cossf2): Ditto.
+ (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
+ to match extended input operands.
+ (sincos<mode>3): New expander.
+ (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
+ insn patterns and corresponding splitters.
+
+2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
+ (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
+
+2007-01-09 Nicolas Pitre <nico@cam.org>
+
+ PR target/30173
+ * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
+
+2007-01-08 Geoffrey Keating <geoffk@apple.com>
+
+ * target.h (struct gcc_target): New field library_rtti_comdat.
+ * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
+ (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
+ * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
+ * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
+
+2007-01-08 Geoffrey Keating <geoffk@apple.com>
+
+ * doc/invoke.texi (Optimize Options): Correct description of -O0.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (force_fit_type_double): Export.
+ (force_fit_type): Remove.
+ * fold-const.c (force_fit_type_double): New function.
+ (force_fit_type): Remove.
+ (int_const_binop): Use it.
+ (fold_convert_const_int_from_int): Likewise.
+ (fold_convert_const_int_from_real): Likewise.
+ (fold_div_compare): Likewise.
+ (fold_sign_changed_comparison): Likewise.
+ (fold_unary): Likewise.
+ (fold_negate_const): Likewise.
+ (fold_abs_const): Likewise.
+ (fold_not_const): Likewise.
+ * c-common.c (shorten_compare): Use force_fit_type_double.
+ * convert.c (convert_to_pointer): Likewise.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (build_int_cst_wide_type): Export.
+ * tree.c (build_int_cst_wide_type): New function.
+ (build_int_cst_wide): Fix comment.
+ * builtins.c (fold_builtin_object_size): Use build_int_cst
+ to build -1 or 0 of the correct type. Use fit_double_type
+ to check for overflow.
+ * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
+ to build the mask.
+ (decode_field_reference): Likewise.
+ (all_ones_mask_p): Likewise.
+ (native_interpret_int): Use build_int_cst_wide_type.
+ (fold_binary): Use build_int_cst_type to build an all-ones
+ value.
+ * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
+
+2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
+
+2007-01-09 Ben Elliston <bje@au.ibm.com>
+
+ * genautomata.c (STATS_OPTION): New option.
+ (stats_flag): New flag.
+ (gen_automata_option): Handle it.
+ (initiate_automaton_gen): Ditto.
+ (write_automata): Output statistics only if stats_flag is
+ set. Likewise, output time statistics only if time_flag is set.
+ * doc/md.texi (Processor pipeline description): Document new flag.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
+ * tree.c (build_int_cst_type): Likewise.
+ (size_in_bytes): Don't call force_fit_type on the result.
+ (int_fits_type_p): Use fit_double_type.
+ * fold-const.c (fit_double_type): New function.
+ (force_fit_type): Use it.
+ * tree.h (fit_double_type): Export.
+
+2007-01-08 Jan Hubicka <jh@suse.cz>
+
+ * tree-vectorizer.c (gate_increase_alignment): Fix return type.
+ * ipa.c (function_and_variable_visibility): Fix return type.
+
+2007-01-08 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
+ of offset to build the index.
+ * tree-pretty-print.c (dump_generic_node): Don't build negated
+ const just for printing.
+ * c-pretty-print.c (pp_c_integer_constant): Likewise.
+ * builtins.c (fold_builtin_int_roundingfn): Check if result
+ fits the type by using force_fit_type and comparing the result.
+ * predict.c (predict_loops): Use compare_tree_int for comparison.
+ * tree.c (build_int_cst): Fall back to integer_type_node for
+ NULL_TREE type.
+ (build_int_cst_wide): Assert type is non-null.
+
2007-01-08 Roberto Costa <roberto.costa@st.com>
* tree-vrp.c (extract_range_from_cond_expr): New.
* config/score/t-score-elf (MULTILIB_OPTIONS): Change.
* config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
const_simm15, const_pow2, const_npow2): Added.
- * config/score/misc.md (insv, extv, extzv, movmemsi,
+ * config/score/misc.md (insv, extv, extzv, movmemsi,
move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
- * config/score/score.c (score_address_cost, score_select_cc_mode):
+ * config/score/score.c (score_address_cost, score_select_cc_mode):
Added.
Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
Update score_rtx_costs for MACRO TARGET_RTX_COSTS.