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PR middle-end/40525
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 8d17170..c914f34 100644 (file)
@@ -1,3 +1,703 @@
+2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
+
+       PR middle-end/40525
+       * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
+       try the non-cond_exec path also.
+
+2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR target/40468
+       * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
+       (output_cbranch): Use new functions.
+       (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
+       Likewise.
+
+2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
+           Pat Haugen  <pthaugen@us.ibm.com>
+           Revital Eres <ERES@il.ibm.com>
+
+       * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
+       Change some of the functions called by macros to being called
+       through a pointer, so debug functions can be inserted if
+       -mdebug=addr or -mdebug=cost. 
+       (rs6000_preferred_reload_class_ptr): Ditto.
+       (rs6000_secondary_reload_class_ptr): Ditto.
+       (rs6000_secondary_memory_needed_ptr): Ditto.
+       (rs6000_cannot_change_mode_class_ptr): Ditto.
+       (rs6000_secondary_reload_inner): Ditto.
+       (rs6000_legitimize_reload_address): Ditto.
+       (rs6000_legitimize_reload_address_ptr): Ditto.
+       (rs6000_mode_dependent_address): Ditto.
+       (rs6000_mode_dependent_address_ptr): Ditto.
+
+       * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
+       function to return true if the mode allows reg + integer
+       addresses.
+       (virtual_stack_registers_memory_p): New function to return true if
+       the address refers to a virtual stack register.
+       (rs6000_legitimate_offset_address_p): Move code to say whether a
+       mode supports reg+int addressing to reg_offset_addressing_ok_p and
+       call it.
+       (rs6000_legitimate_address_p): Add checks for modes that only can
+       do reg+reg addressing.  Start adding VSX support.
+       (rs6000_legitimize_reload_address): Ditto.
+       (rs6000_legitimize_address): Ditto.
+       (rs6000_debug_legitimate_address_p): New debug functions for
+       -mdebug=addr and -mdebug=cost.
+       (rs6000_debug_rtx_costs): Ditto.
+       (rs6000_debug_address_costs): Ditto.
+       (rs6000_debug_adjust_cost): Ditto.
+       (rs6000_debug_legitimize_address): Ditto.
+       (rs6000_legitimize_reload_address_ptr): Point to call normal
+       function or debug function.  Make functions called via pointer
+       static.
+       (rs6000_mode_dependent_address_ptr): Ditto.
+       (rs6000_secondary_reload_class_ptr): Ditto.
+       (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
+       (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
+       into a friendlier error.
+       (rs6000_init_builtins): Add initial VSX support.
+       (rs6000_adjust_cost): Fix some spacing issues.
+
+       * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
+       (REG_CLASS_NAMES): Ditto.
+       (REG_CLASS_CONTENTS): Ditto.
+       (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
+       pointer, to add -mdebug=addr support.
+       (CANNOT_CHANGE_MODE_CLASS): Ditto.
+       (SECONDARY_RELOAD_CLASS): Call through a pointer to add
+       -mdebug=addr support.
+       (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
+       (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
+       (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
+
+       * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
+       16-bit values.
+       (bswapsi*): Set attribute types for load/store.  Add combiner
+       patterns to eliminate zero extend on 64-bit.
+       (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
+       stdbrx if the hardware supports those instructions.
+
+2009-06-25  Ian Lance Taylor  <iant@google.com>
+
+       * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
+       (Link Options): Document -static-libstdc++.
+
+2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
+
+       PR target/38731
+       * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
+       DATA_ALIGNMENT instead.
+
+2009-06-25  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
+       indirect references against the callused/escaped solutions.
+       (call_may_clobber_ref_p_1): Likewise.
+
+2009-06-25  Martin Jambor  <mjambor@suse.cz>
+
+       PR tree-optimization/40493
+       * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
+       (enum unscalarized_data_handling): New type.
+       (handle_unscalarized_data_in_subtree): Return what has been done.
+       (load_assign_lhs_subreplacements): Handle left flushes differently.
+       (sra_modify_assign): Use unscalarized_data_handling, simplified
+       condition determining whether to remove the statement.
+
+2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
+
+       * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
+       excerpt - @ should be doubled for texinfo.
+
+2009-06-24  Ian Lance Taylor  <iant@google.com>
+
+       * config/arc/arc.c: Include "df.h".
+       (arc_attribute_table): Make static.  Move higher in file.
+       (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
+       (output_shift): Initialize n later to avoid warning.
+       * config/arm/arm.c (arm_attribute_table): Make static.  Move
+       higher in file.
+       * config/avr/avr.c (avr_attribute_table): Make static.  Move
+       higher in file.
+       (reg_class_tab): Change array type from int to enum reg_class.
+       (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
+       LABEL_REF.
+       (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
+       (lshrhi3_out): Likewise.
+       (class_likely_spilled_p): Change return type to bool.
+       (avr_rtx_costs): Use local code variable with enum type.
+       * config/avr/avr.md (movmemhi): Use add_reg_note.
+       (andhi3, andsi3): Don't use AS2 with "and".
+       (iorhi3, iorsi3): Don't use AS2 with "or".
+       * config/avr/avr-protos.h (class_likely_spilled_p): Update
+       declaration.
+       * config/crx/crx.c: Include "df.h".
+       (crx_attribute_table): Make static.
+       * config/m32r/m32r.c: Include "df.h".
+       (m32r_attribute_table): Make static.  Move higher in file.
+       (pop): Use add_reg_note.
+       (block_move_call): Change 0 to LCT_NORMAL in function call.
+       * config/m32r/m32r.md (movsi_insn): Remove unused local value.
+       * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
+       * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
+       declare, not just when TREE_CODE is defined.
+       * config/m68hc11/m68hc11.c: Include "expr.h".
+       (m68hc11_attribute_table): Make static.  Move higher in file.
+       (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
+       function call.
+       (m68hc11_register_indirect_p): Likewise.
+       (m68hc11_function_arg_padding): Change return type to enum
+       direction.
+       (emit_move_after_reload): Use add_reg_note.
+       (m68hc11_emit_logical): Change code parameter to enum rtx_code.
+       (m68hc11_split_logical): Likewise.
+       (m68hc11_rtx_costs): Add local code_and outer_code variables with
+       enum type.
+       * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
+       to VOIDmode in function call.
+       * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
+       tree is defined.
+       (m68hc11_split_logical): Update declaration.
+       (m68hc11_function_arg_padding): Update declaration.
+       * config/mcore/mcore.c (regno_reg_class): Change form array of int
+       to array of enum reg_class.
+       (mcore_attribute_table): Make static.  Move higher in file.
+       (mcore_rtx_costs): Add cast to enum type.
+       * config/mcore/mcore.h (regno_reg_class): Update declaration.
+       (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
+       * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
+       in file.
+       * config/sh/predicates.md (trapping_target_operand): Rename and to
+       and_expr.
+       * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
+       higher in file.
+       * config/spu/spu.c (spu_attribute_table): Make static.  Move
+       higher in file.
+       * config/v850/v850.c (v850_attribute_table): Make static.  Move
+       higher in file.
+       (v850_rtx_costs): Use local code with enum type.
+       (expand_epilogue): Add cast.
+       * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
+
+2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
+
+       PR target/40515
+       * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
+       -m2a-single-only and -m2a-nofpu.
+       * config/sh/sh.opt: Document m2a generates FPU code.  
+
+2009-06-24  Anatoly Sokolov  <aesok@post.ru>
+
+       * defaults.h (CAN_ELIMINATE): Provide default.
+       * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
+       * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
+       * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
+       * config/spu/spu.h (CAN_ELIMINATE): Delete.
+       * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
+       * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
+       * config/cris/cris.h (CAN_ELIMINATE): Delete.
+       * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
+       * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
+       * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
+
+2009-06-24  DJ Delorie  <dj@redhat.com>
+
+       * mep-ext-cop.cpu: Fix copyright notice.
+       * mep-default: Fix copyright notice.
+       * mep-core: Fix copyright notice.
+       * mep: Fix copyright notice.
+       * mep-ivc2: Fix copyright notice.
+       * mep-c5: Fix copyright notice.
+
+2009-06-24  Denis Chertykov  <chertykov@gmail.com>
+
+       * doc/contrib.texi (Contributors): 
+
+2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
+       
+       PR middle-end/40501
+       * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
+       src and dst operands if necessary.
+
+2009-06-23  DJ Delorie  <dj@redhat.com>
+
+       Add MeP port.
+       * config.gcc: Add mep support.
+       * recog.c: Resurrect validate_replace_rtx_subexp().
+       * recog.h: Likewise.
+       * config/mep/: Add new port:
+       * config/mep/constraints.md: New file.
+       * config/mep/default.h: New file.
+       * config/mep/intrinsics.h: New file.
+       * config/mep/intrinsics.md: New file.
+       * config/mep/ivc2-template.h: New file.
+       * config/mep/mep-c5.cpu: New file.
+       * config/mep/mep-core.cpu: New file.
+       * config/mep/mep-default.cpu: New file.
+       * config/mep/mep-ext-cop.cpu: New file.
+       * config/mep/mep-intrin.h: New file.
+       * config/mep/mep-ivc2.cpu: New file.
+       * config/mep/mep-lib1.asm: New file.
+       * config/mep/mep-lib2.c: New file.
+       * config/mep/mep-pragma.c: New file.
+       * config/mep/mep-protos.h: New file.
+       * config/mep/mep-tramp.c: New file.
+       * config/mep/mep.c: New file.
+       * config/mep/mep.cpu: New file.
+       * config/mep/mep.h: New file.
+       * config/mep/mep.md: New file.
+       * config/mep/mep.opt: New file.
+       * config/mep/predicates.md: New file.
+       * config/mep/t-mep: New file.
+
+2009-06-23  Ian Lance Taylor  <iant@google.com>
+
+       * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
+       from loose_warn into c_loose_warn and from strict_warn into
+       c_strict_warn.  Set and substitute warn_cxxflags.  Check for
+       --enable-build-with-cxx.  Set and substitute
+       ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
+       * Makefile.in (CXXFLAGS): New variable.
+       (C_LOOSE_WARN, C_STRICT_WARN): New variables.
+       (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
+       the default is the same as $(STRICT_WARN).
+       (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
+       (CXX): New variable.
+       (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
+       (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
+       (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
+       (HOST_LIBS): New variable.
+       (GCC_CFLAGS): Add $(C_LOOSE_WARN).
+       (ALL_CXXFLAGS): New variable.
+       (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
+       * doc/install.texi (Configuration): Document
+       --enable-build-with-cxx, --with-stage1-ldflags,
+       --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
+       * configure: Rebuild.
+
+2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
+
+       * config/arm/arm.c (arm_override_options): Fix braces and formatting
+       from previous commit.
+
+2009-06-23  Ian Lance Taylor  <iant@google.com>
+
+       * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
+
+2009-06-23  Ian Lance Taylor  <iant@google.com>
+
+       * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
+       with ATTRIBUTE_UNUSED.
+
+2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
+           Pat Haugen  <pthaugen@us.ibm.com>
+           Revital Eres  <eres@il.ibm.com>
+
+       * config.in (HAVE_AS_POPCNTD): Add default definition.
+       (HAVE_AS_LWSYNC): Ditto.
+
+       * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
+       release number.
+       (gcc_cv_as_powerpc_cmpb): Ditto.
+       (gcc_cv_as_powerpc_dfp): Ditto.
+       (gcc_cv_as_powerpc_vsx): Ditto.
+       (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
+       supporting the popcntd/lwsync instructions.
+       (gcc_cv_as_powerpc_lwsync): Ditto.
+       * configure: Regenerate.
+
+       * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
+       -mcpu=native and -mcpu=power7.
+       * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
+
+       * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
+       a variable instead of a mask to reduce the number of mask bits.
+       * config/rs6000/sysv4.opt (-mbit-align): Ditto.
+       (-mbit-word): Ditto.
+       (-mregnames): Ditto.
+       * config/rs6000/rs6000.opt (-mupdate): Ditto.
+       (-mfused-madd): Ditto.
+
+       * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
+       2.06 instructions.
+       (-mvsx): New switch for VSX instructions.
+       (-misel): Move from a variable to a mask to allow it to be set by
+       -mcpu=.
+
+       * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
+       function declaration to an array declaration.
+       (rs6000_hard_regno_nregs): New external array declaration.
+
+       * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
+       files included by rs6000.md.
+
+       * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
+       SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
+
+       * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
+       a target mask.
+       (rs6000_debug_reg): New -mdebug= variables.
+       (rs6000_debug_addr): Ditto.
+       (rs6000_debug_cost): Ditto.
+       (rs6000_pmode): New variable to hold Pmode.
+       (rs6000_pointer_size): New variable to hold POINTER_SIZE.
+       (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
+       calculated at compiler start.
+       (rs6000_hard_regno_nregs): Change function to an array which holds
+       HARD_REGNO_NREGS calculated at compiler start.
+       (rs6000_explicit_options): Delete isel field.
+       (rs6000_vector_unit): New array to hold which vector unit
+       supports arithmetic options for a given type.
+       (rs6000_vector_mem): New array to hold which vector unit supports
+       memory reference operations for a given type.
+       (rs6000_vector_align): New array to given the alignment of each
+       vector type.
+       (power7_cost): New basic costs for power7.
+       (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
+       (rs6000_hard_regno_nregs_internal): New function, moved from
+       HARD_REGNO_NREGS, to calculate the number of registers each hard
+       register takes for each type.
+       (rs6000_debug_reg_print): New function for -mdebug=reg support.
+       (rs6000_debug_vector_unit): New array, map rs6000_vector to
+       string.
+       (+rs6000_init_hard_regno_mode_ok): New function, move calculation
+       of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
+       unit information here so it is calculated once at compiler startup
+       time.
+       (rs6000_override_options): Make -misel a target mask.  Add more
+       power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
+       VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
+       -mdebug=cost.
+       (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
+       (rs6000_handle_option): Move -misel from variable to target mask.
+       (rs6000_builtin_mask_for_load): Add VSX support.
+       (rs6000_conditional_register_usage): Ditto.
+       (USE_ALTIVEC_FOR_ARG_P): Ditto.
+       (function_arg_boundary): Ditto.
+       (rs6000_expand_builtin): Ditto.
+       (def_builtin): Make abort message a little friendlier.
+       (rs6000_emit_int_cmove): Add support for 64-bit isel.
+
+       * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
+       assembler support the popcntd instruction instead of a vsx
+       instruction to enable power7 support.
+       (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
+       (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
+       option to the assembler if -mcpu=native.
+       (ASM_CPU_NATIVE_SPEC): Ditto.
+       (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
+       ISA 2.06 features.
+       (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
+       the lwsync instruction.
+       (enum processor_type): Add PROCESSOR_POWER7.
+       (rs6000_debug_reg): New -mdebug= options.
+       (rs6000_debug_addr): Ditto.
+       (rs6000_debug_cost): Ditto.
+       (rs6000_isel): Delete.
+       (enum rs6000_vector): New enum to say what vector unit we have.
+       (VECTOR_UNIT_*): New macros to say which vector unit has
+       arithmetic operations for a given type.
+       (VECTOR_MEM_*): New macros to say which vector unit has memory
+       operations for a given type.
+       (TARGET_LDBRX): Whether the machine supports the ldbrx
+       instruction.
+       (TARGET_ISEL): Delete, -misel moved to be a mask.
+       (TARGET_ISEL64): New macro for 64-bit isel support.
+       (UNITS_PER_VSX_WORD): New macro.
+       (POINTER_SIZE): Move to be an external variable, rather than
+       calculating whether we are generating 32 ot 64-bit code.
+       (Pmode): Ditto.
+       (STACK_BOUNDARY): Add VSX support.
+       (LOCAL_ALIGNMENT): Ditto.
+       (SLOW_UNALIGNED_ACCESS): Ditto.
+       (VSX_REGNO_P): New macro for VSX support.
+       (VFLOAT_REGNO_P): Ditto.
+       (VINT_REGNO_P): Ditto.
+       (VLOGICAL_REGNO_P): Ditto.
+       (VSX_VECTOR_MODE): Ditto.
+       (VSX_SCALAR_MODE): Ditto.
+       (VSX_MODE): Ditto.
+       (VSX_MOVE_MODE): Ditto.
+       (VSX_REG_CLASS_P): Ditto.
+       (HARD_REGNO_NREGS): Instead of calling a function, use an array
+       lookup.
+       (UNITS_PER_SIMD_WORD): Add VSX support.
+       (MODES_TIEABLE_P): Ditto.
+       (STARTING_FRAME_OFFSET): Ditto.
+       (STACK_DYNAMIC_OFFSET): Ditto.
+       (EPILOGUE_USES): Ditto.
+       (REGNO_REG_CLASS): Move to array lookup.
+       (CLASS_MAX_NREGS): Ditto.
+       (rs6000_vector_reg_class): Add declaration.
+       (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
+       overlap with the floating point and Altivec registers.
+
+       * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
+
+       * config/rs6000/driver-rs6000.c (asm_names): New static array to
+       give the appropriate asm switches if -mcpu=native.
+       (host_detect_local_cpu): Add support for "asm".
+       (host_detect_local_cpu): Follow GNU code guidelines for name.
+
+       * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
+       -mbit-word to a variable instead of being a target mask.
+
+       * config/rs6000/sync.md (lwsync): If the assembler supports it,
+       emit the lwsync instruction instead of emitting the instruction as
+       an integer constant.
+
+       * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
+       fixuns_trundfsi2, move expander into rs6000.md.
+
+       * config/rs6000/rs6000.md (cpu): Add power7.
+       (sel, *ptrsize): New mode attributes for 32/64-bit isel.
+       (logical predicate patterns): Change the single instruction
+       primitives that set CR0 to be fast_compare instead of compare.
+       (norsi*): Ditto.
+       (popcntwsi2): Add support for ISA 2.06 popcount instructions.
+       (popcntddi2): Ditto.
+       (popcount<mode>): Ditto.
+       (floating multiply/add insns): Name the floating point
+       multiply/add insns.
+       (isel_signed_<mode>): Add support for -misel on 64-bit systems.
+       (isel_unsigned_<mode>): Ditto.
+       (fixuns_trundfsi2): Move expander here from spe.md.
+       (smindi3): Define if we have -misel on 64-bit systems.
+       (smaxdi3): Ditto.
+       (umindi3): Ditto.
+       (umaxdi3): Ditto.
+
+2009-06-23  Anatoly Sokolov  <aesok@post.ru>
+
+       * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
+       extra_objs.
+       * config/avr/avr.c (avr_current_device): New variable.
+       (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
+       (avr_arch, mcu_type_s): Move to avr.h.
+       * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
+       default_data_section_start fields.
+       (avr_arch): Moved from avr.c.
+       (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
+       library_name fields.
+       (avr_current_device, avr_mcu_types, avr_arch_types,
+       avr_device_to_arch, avr_device_to_data_start,
+       avr_device_to_startfiles, avr_device_to_devicelib): Declare.
+       (EXTRA_SPEC_FUNCTIONS): Define.
+       (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
+       options mapping. Use device_to_arch and device_to_data_start insted.
+       (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
+       (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
+       * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
+       * config/avr/driver-avr.c: New file.
+       * config/avr/avr-devices.c: New file.
+
+2009-06-23  Jakub Jelinek  <jakub@redhat.com>
+
+       * var-tracking.c (unshare_variable): Force initialized to
+       be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
+       (set_variable_part): Likewise.
+       (struct variable_union_info): Remove pos_src field.
+       (vui_vec, vui_allocated): New variables.
+       (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
+       unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
+       == 1 use a simpler sorting algorithm.  Compute pos field right
+       away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
+       Avoid quadratic comparison if !flag_var_tracking_uninit.
+       (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
+       unshare_variable unconditionally.   
+       (dataflow_set_different_2): Removed.
+       (dataflow_set_different): Don't traverse second hash table.
+       (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
+       unconditionally to var_reg_set or var_mem_set.
+       (emit_notes_in_bb): Likewise.
+       (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
+       unshare_variable.
+       (emit_note_insn_var_location): Don't set initialized to
+       VAR_INIT_STATUS_INITIALIZED early.
+       (vt_finalize): Free vui_vec if needed, clear vui_vec and
+       vui_allocated.
+       * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
+
+       * tree-object-size.c (addr_object_size): Instead of checking
+       for non-NULL TREE_CHAIN of the FIELD_DECL check that there
+       are no FIELD_DECLs following it.
+
+2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+       * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
+       order to match bswaps with signed source operands.
+
+2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * sdbout.c (sdbout_one_type): Fix braces in switch.
+
+2009-06-23  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-structalias.c (struct variable_info): Add is_global_var
+       member.
+       (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
+       readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
+       var_callused, callused_tree, var_storedanything, storedanything_tree,
+       var_integer, integer_tree): Remove global variables.
+       (new_var_info): Do not pass new id, append the new var to the
+       global variable vector.
+       (do_ds_constraint): Use is_global_var member of the variable-info.
+       (new_scalar_tmp_constraint_exp): Adjust.
+       (create_function_info_for): Likewise.
+       (create_variable_info_for): Likewise.
+       (find_what_var_points_to): Remove dead code.
+       (init_base_vars): Simplify.
+       (compute_points_to_sets): Adjust.
+
+2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
+
+       * combine.c (try_combine): Dump information about the insns we're
+       combining.
+
+2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
+
+       * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
+       check when calling force_to_mode on TRUNCATE's operand.
+
+2009-06-22  Ian Lance Taylor  <iant@google.com>
+
+       * config/rs6000/rs6000.opt: Move msched-epilog before
+       msched-prolog.
+
+2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
+
+       * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
+
+2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
+       override library linkage flags such as -static-libgcc or
+       -shared-libgcc.
+
+2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
+
+       * config/m68k/m68k-devices.def: Add line for MCF5221x.
+
+2009-06-22  Ian Lance Taylor  <iant@google.com>
+
+       * config/linux.opt: Put mglibc ahead of muclibc.
+
+       * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
+       for duplicate decls.
+
+2009-06-22  Matthias Klose  <doko@ubuntu.com>
+
+       * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
+
+2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
+
+       PR objc/28050
+       * c-parser.c (c_parser_objc_message_args): Return error_mark_node
+       instead of NULL if a parser error occurs.
+
+2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+       * dwarf2out.c (dwarf2_debug_hooks): Initialize
+       non-DWARF2_DEBUGGING_INFO version.
+
+2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
+
+       * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
+       i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
+
+       * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
+       (LIBGCC2_TF_CEXT): Define.
+       (TF_SIZE): Define.
+
+2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
+
+       PR target/40463
+       * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
+
+2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
+
+       * config/arm/arm.c (arm_override_options): Disable
+       -mcaller-super-interworking and -mcallee-super-interworking.
+       * doc/invoke.texi (ARM Options): Document this.
+
+2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/arm/arm.c (arm_print_operand): Deal with HIGH.
+       * config/arm/constraints.md (j): New constraint for movw operands.
+       (N): Remove thumb2 meaning.
+       * config/arm/arm.md (*arm_movw): Delete.
+       (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
+       * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
+       * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
+
+2009-06-22  Martin Jambor  <mjambor@suse.cz>
+
+       PR tree-optimization/40492
+       * tree-sra.c (sra_modify_assign): Pass zero offsets to
+       build_ref_for_offset.
+
+2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
+
+       * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
+       JUMP_TABLE_DATA_P predicates where applicable.
+       * auto-inc-dec.c: Ditto.
+       * builtins.c: Ditto.
+       * caller-save.c: Ditto.
+       * calls.c: Ditto.
+       * cfgcleanup.c: Ditto.
+       * cfglayout.c: Ditto.
+       * cfgrtl.c: Ditto.
+       * combine.c: Ditto.
+       * combine-stack-adj.c: Ditto.
+       * cse.c: Ditto.
+       * cselib.c: Ditto.
+       * dbxout.c: Ditto.
+       * df-scan.c: Ditto.
+       * dse.c: Ditto.
+       * dwarf2asm.c: Ditto.
+       * dwarf2out.c: Ditto.
+       * emit-rtl.c: Ditto.
+       * except.c: Ditto.
+       * explow.c: Ditto.
+       * expmed.c: Ditto.
+       * expr.c: Ditto.
+       * final.c: Ditto.
+       * function.c: Ditto.
+       * fwprop.c: Ditto.
+       * gcse.c: Ditto.
+       * genpreds.c: Ditto.
+       * genrecog.c: Ditto.
+       * ifcvt.c: Ditto.
+       * ira-costs.c: Ditto.
+       * ira-lives.c: Ditto.
+       * jump.c: Ditto.
+       * loop-iv.c: Ditto.
+       * lower-subreg.c: Ditto.
+       * modulo-sched.c: Ditto.
+       * optabs.c: Ditto.
+       * postreload.c: Ditto.
+       * print-rtl.c: Ditto.
+       * recog.c: Ditto.
+       * reginfo.c: Ditto.
+       * regmove.c: Ditto.
+       * reload1.c: Ditto.
+       * reload.c: Ditto.
+       * reorg.c: Ditto.
+       * rtlanal.c: Ditto.
+       * rtl.c: Ditto.
+       * sched-vis.c: Ditto.
+       * sdbout.c: Ditto.
+       * sel-sched-ir.c: Ditto.
+       * simplify-rtx.c: Ditto.
+       * targhooks.c: Ditto.
+       * var-tracking.c: Ditto.
+       * vmsdbgout.c: Ditto.
+
+2009-06-22  Matthias Klose  <doko@ubuntu.com>
+
+       * Makefile.in (install-plugin): Always use DESTDIR.
+
 2009-06-22  Olivier Hainque  <hainque@adacore.com>
        
        * config/pa/pa.c (output_call): Don't optimize post call jumps
        32 bits.
        * config/arm/arm.md: Likewise.
 
-2009-06-19  Ian Lance Taylor  <ian@airs.com>
+2009-06-19  Ian Lance Taylor  <iant@google.com>
 
        * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
        to GIMPLE_ERROR_MARK.