+2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
+ types when flag_unsafe_math_optimizations is true.
+
+2005-07-25 Mark Mitchell <mark@codesourcery.com>
+
+ * gcc.c (option_map): Add --sysroot.
+ (process_command): Handle --sysroot.
+ (display_help): Document it.
+ * doc/cppopts.tex (-isysroot): Document.
+ * doc/invoke.texi (--sysroot): Document.
+ * doc/install.texi (--with-build-sysroot): Document.
+
+ * Makefile.in (inhibit_libc): New variable.
+ (INHIBIT_LIBC_CFLAGS): Likewise.
+ (LIBGCC2_CFLAGS): Include
+ $(INHIBIT_LIBC_CFLAGS).
+ (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
+ ($(T)crtbegin.o): Do not use @inhibit_libc@.
+ ($(T)crtend.o): Likewise.
+ ($(T)crtbeginS.o): Do not use @inhibit_libc@.
+ ($(T)crtendS.o): Likewise.
+ ($(T)crtbeginT.o): Do not use @inhibit_libc@.
+ ($(T)crtendT.o): Likewise.
+ (stmp-fixinc): Do not complain about missing headers if
+ inhibit_libc.
+ * configure.ac (inhibit_libc): Set it to true/false.
+ (--with-build-sysroot): New option. Use it to set
+ SYSTEM_HEADER_DIR.
+ * configure: Regenerated.
+
+2005-07-25 Manfred Hollstein <mh@suse.com>
+
+ * calls.c (store_one_arg): Fix unsigned comparison warning.
+
+2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
+
+ PR other/22337
+ * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
+ (ggc_print_statistics): Initialize variable before use.
+
+2005-07-25 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (mark_new_vars_to_rename): Protect against
+ calling with a PHI_NODE argument.
+
+ * tree-flow-inline.h (overlap_subvar): Protect against
+ possible overflow.
+
+2005-07-25 Paolo Bonzini <bonzini@gnu.org>
+
+ * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
+ * configure: Regenerate.
+
+2005-07-25 Ira Rosen <irar@il.ibm.com>
+
+ * expr.c (highest_pow2_factor): Make extern.
+ * tree-data-ref.c (ptr_decl_may_alias_p): New function.
+ (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
+ record_array_differ_p, array_ptr_differ_p): Likewise.
+ (base_object_differ_p): Rename (from array_base_name_differ_p). Support
+ additional cases. Call the above functions.
+ (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
+ base_object_differ_p when there are two base objects. Otherwise, compare
+ base address and offset. Call may_alias_p.
+ (dump_data_reference): Use a correct field name.
+ (analyze_array): Make static. Initialize new data-ref fields.
+ (analyze_indirect_ref): New function.
+ (init_data_ref): Initialize new data-ref fields.
+ (strip_conversion): Moved from tree-vect-analyze.c.
+ (analyze_offset_expr, get_ptr_offset, address_analysis,
+ object_analysis): Likewise.
+ (analyze_offset): New function.
+ (create_data_ref): Likewise.
+ (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
+ dimensions for ARRAY_REFs only.
+ (build_classic_dist_vector): Make static.
+ (access_functions_are_affine_or_constant_p): Call macro to get the
+ address of access functions.
+ (compute_all_dependences): Add new parameter
+ compute_self_and_read_read_dependences. Compute self and read-read
+ dependences if it is true.
+ (find_data_references_in_loop): Call create_data_ref. Initialize new
+ data-ref fields.
+ (compute_data_dependences_for_loop): Add new parameter
+ compute_self_and_read_read_dependences. Remove parameter nb_loops,
+ compute nb_loops. Call compute_all_dependences,
+ build_classic_dist_vector and build_classic_dir_vector with correct
+ parameters.
+ (analyze_all_data_dependences): Call compute_data_dependences_for_loop
+ with correct parameters. Compare dimensions for ARRAY_REFs only.
+ (free_data_refs): Call macro to free access functions.
+ * tree-data-ref.h (struct first_location_in_loop): New structure. Move
+ fields from stmt_vinfo.
+ (struct base_object_info): New structure.
+ (struct data_reference): Move fields to base_object_info. Add fields
+ first_location and object_info for above structures. Move fields from
+ stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
+ aligned_to. Add macros to access the new fields.
+ Update functions declarations.
+ * tree-flow.h (is_aliased_with): Declare.
+ * tree-loop-linear.c (linear_transform_loops): Call
+ compute_data_dependences_for_loop with correct parameters.
+ * tree-ssa-alias.c (is_aliased_with): New function.
+ * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
+ (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
+ (vect_analyze_data_ref_dependence): Get ddr. Remove call to
+ vect_base_addr_differ_p, compute_subscript_distance and
+ build_classic_dist_vector. Add printings. Check absolute value of
+ distance.
+ (vect_analyze_data_ref_dependences): Go through ddrs instead of
+ data-refs.
+ (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
+ stmt. Check aligned_to. Check if the base is aligned. Remove conversion
+ to bytes. Add printing.
+ (vect_compute_data_refs_alignment): Go through loads and stores in one
+ loop.
+ (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
+ vect_analyze_data_ref_access): Likewise.
+ (vect_analyze_pointer_ref_access): Remove.
+ (vect_address_analysis, vect_object_analysis): Likewise.
+ (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
+ and analyze data-refs in the loop.
+ * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
+ fields of data-ref instead of stmt. Add init to the offset from the
+ base.
+ (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
+ (vect_update_init_of_dr): Likewise.
+ (vect_update_inits_of_drs): Go through loads and stores in one loop.
+ * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
+ removed fields.
+ (new_loop_vec_info): Initialize new fields.
+ (destroy_loop_vec_info): Free new fields.
+ (vect_strip_conversion): Remove.
+ * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
+ (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
+ datarefs. Add new field ddrs.
+ Add macros for the new fields access.
+ (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
+ base_aligned_p, misalignment, memtag, ptr_info and subvars.
+ Remove their macros.
+ * tree.h (highest_pow2_factor): Declare.
+
+2005-07-25 Jakub Jelinek <jakub@redhat.com>
+
+ * calls.c (store_one_arg): Check for sibling call MEM arguments
+ from already clobbered incoming argument area.
+
+2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (check_missing_format_attribute): New.
+ * c-common.h (check_missing_format_attribute): Likewise.
+ * c-typeck.c (convert_for_assignment): Use it.
+
+2005-07-24 Andreas Schwab <schwab@suse.de>
+
+ * config/m68k/m68k.md ("extendqidi2"): When source is an address
+ register use a word move. Correct operand of ext.w in 68000 code.
+
+2005-07-23 Mark Mitchell <mark@codesourcery.com>
+
+ * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
+ variables as declarations, rather than definitions.
+
+2005-07-24 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/22526
+ * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
+ of the zero node.
+
+2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
+
+ * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
+ that C99 reserve for future use. Use it to define clog10,
+ clog10f and clog10l.
+
+2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
+ * configure.ac: Check for -Wmissing-format-attribute.
+
+ * configure: Regenerate.
+
+2005-07-23 Richard Henderson <rth@redhat.com>
+
+ PR tree-optimization/22623
+ * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
+
+2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
+
+ PR target/22577
+ * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
+
+2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (C_TREE_H): Update dependencies.
+ * c-tree.h: Include toplev.h.
+ * diagnostic.h (diagnostic_set_info): Add format attribute.
+ * rtl-error.c (diagnostic_for_asm): Likewise.
+
+2005-07-23 Chao-ying Fu <fu@mips.com>
+
+ * config/mips/mips-dsp.md: New file.
+ * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
+ * config/mips/mips.c (mips_function_type): Add types for DSP builtin
+ functions.
+ (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
+ MIPS_BUILTIN_BPOSGE32.
+ (mips_expand_builtin_direct): Add one parameter to indicate that
+ builtin functions need to return a value.
+ (mips_expand_builtin_bposge): New for expanding "bposge" builtin
+ functions.
+ (mips_regno_to_class): Add classes for 12 new DSP registers.
+ (mips_subword): Change to check four HI registers.
+ (mips_output_move): Output move to and from 6 new DSP accumulators.
+ (override_options): Make sure -mdsp and -mips16 are not used together.
+ Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
+ for machine modes.
+ (mips_conditional_register_usage): Disable 6 new DSP accumulators
+ when !TARGET_DSP.
+ (print_operand): Add 'q' for printing DSP accumulators.
+ (mips_cannot_change_mode_class): Check ACC_REGS.
+ (mips_secondary_reload_class): Check ACC_REGS.
+ (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
+ (mips_register_move_cost): Check ACC_REGS.
+ (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
+ (CODE_FOR_mips_subu_qb): New code-aliasing macros.
+ (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
+ (dsp_bdesc): New array.
+ (bdesc_arrays): Add DSP builtin function table.
+ (mips_prepare_builtin_arg): Check predicate again after
+ copy_to_mode_reg.
+ (mips_expand_builtin): Add one more parameter to
+ mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
+ MIPS_BUILTIN_BPOSGE32.
+ (mips_init_builtins): Initialize new function types.
+ (mips_expand_builtin_direct): Check if builtin functions need to
+ return a value and pass operands properly.
+ (mips_expand_builtin_bposge): New function.
+ * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
+ (ASM_SPEC): Map -mdsp to -mdsp in GAS.
+ (FIRST_PSEUDO_REGISTER): Increase to 188.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
+ Update for 12 new DSP registers.
+ (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
+ (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
+ (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
+ (reg_class): Add DSP_ACC_REGS and ACC_REGS.
+ (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
+ (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
+ (REG_ALLOC_ORDER): Update for 12 new DSP registers.
+ (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
+ (UIMM6_OPERAND, IMM10_OPERAND): New macros.
+ (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
+ (REGISTER_NAMES): Add names for 12 new DSP registers.
+ * config/mips/mips.md: Include mips-dsp.md.
+ (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
+ (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
+ (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
+ (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
+ (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
+ (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
+ (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
+ (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
+ (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
+ (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
+ (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
+ (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
+ (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
+ (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
+ (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
+ (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
+ (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
+ (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
+ (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
+ (UNSPEC_RDDSP): New constants.
+ (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
+ (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
+ A<-d alternative.
+ * config/mips/mips.opt (-mdsp): New option.
+ * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
+ (reg_imm10_operand): New predicates.
+ * doc/extend.texi (MIPS DSP Built-in Functions): New section.
+ * doc/invoke.texi (-mdsp): Document new option.
+
+2005-07-22 DJ Delorie <dj@redhat.com>
+
+ * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
+ to warning calls.
+ * tree-inline.c (inlinable_function_p): Likewise.
+
+2005-07-22 Mark Mitchell <mark@codesourcery.com>
+
+ PR debug/21828
+ * toplev.c (check_global_declarations): Do not mark undefined
+ variables as DECL_IGNORED_P.
+ * varasm.c (first_global_object_name): GTY it.
+ (weak_global_object_name): Likewise.
+ (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
+ a string to go into {weak,first}_global_object_name.
+
+2005-07-22 DJ Delorie <dj@redhat.com>
+
+ * c-format.c (check_function_format): Change warning control
+ option from OPT_Wattribute to OPT_Wmissing_format_attribute.
+
+2005-07-22 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa-alias.c (count_ptr_derefs): Do not consider
+ &PTR->FLD a dereference of PTR.
+ * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
+ a potential dereference of PTR.
+
2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
+ PR rtl-optimization/20370
+ * ifcvt.c (dead_or_predicable): Before calling propagate_block,
+ call allocate_reg_info if necessary.
+
PR rtl-optimization/21848
* calls.c (emit_library_call_value_1): For const functions, add
USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
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