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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ChangeLog.or32] - Rev 515

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2011-04-09  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * BASE_VER: Updated for gcc-4.5.1-or32-1.0rc3.

2011-03-22  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.h (LEGITIMATE_CONSTANT_P): Allow VOIDmode
        CONST_DOUBLE.
        * config/or32/or32.md (movsi_insn_big): Enable splitting of CONST_INT.
        (movdi): Now a define_insn_and_split.
        * config/or32/or32.c (or32_output_move_double): Abort for CONST_INT.

2011-02-17  Joern Rennecke  <joern.rennecke@embecosm.com>

        * gcc.c (do_spec_1) <%*>: Don't append a space unless the next
        character is '}'.
        * config/or32/or32.h (STARTFILE_SPEC): For mor32-newlib-*,
        add crtparam-%*.o.

2011-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.md (frame_alloc_fp): New pattern.
        * config/or32/or32.c (or32_expand_prologue): Use it if a frame pointer
        is used.

2011-02-03  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/uclibc-stdint.h: New file.
        * config.gcc (or32-*linux*): Add uclibc-stdint.h to tm_file.

2011-02-03  Jonas Bonn  <jonas@southpole.se>

        * config/or32/or32.h (CALL_USED_REGS): Include r12.

2011-01-12  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config.or32/or32.h (CPP_SPEC): Add -D_XOPEN_SOURCE=600 for pthread.
        (LIB_SPEC): Add --whole-archive -lpthread --no-whole-archive for
        pthread.

2010-12-19  Jeremy Bennett <jeremy.bennett@embecosm.com>

        * config.gcc <or32-*-linux*>: Remove extra_parts.
        * config/or32/crti.S (__init): Add l.nop, so doesn't start at zero.

2010-12-19  Jeremy Bennett <jeremy.bennett@embecosm.com>

        * config/or32/crtn.S (__init, __fini): remove labels.
        * config.gcc <or32-*-linux*>: Add crti.o and crt.n to extra_parts.

2010-12-16  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config.gcc (or32-*-elf*) <tm_defines>:
        Add OR32_LIBC_DEFAULT=or32_libc_newlib.
        (or32-*linux*) <tm_defines>: Set UCLIBC_DEFAULT=1.
        Add OR32_LIBC_DEFAULT=or32_libc_uclibc.
        * config/or32/or32.opt (mnewlib): New option.
        (muclibc, mglibc): Stub options.
        * config/or32/or32.h (TARGET_CPU_CPP_BUILTINS): When using uClibc,
        define __UCLIBC__.
        (or32_libc_kind): New enum.
        * config/or32/or32.c (or32_handle_option): New function.
        (TARGET_HANDLE_OPTION): Override.

2010-12-10  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.c (TARGET_STRICT_ARGUMENT_NAMING): Overrride.

2010-11-18  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * config/or32/t-linux ($(T)crtbegin.o): Reverse out __dso_handle
        rename.
        (crtbegin$(objext)): Likewise.

2010-11-07  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.opt (mredzone=): New option.
        * config/or32/or32.c (frame_info): New members gpr_frame, late_frame.
        (or32_compute_frame_size, or32_expand_prologue): Implement -mredzone.
        or32_expand_epilogue, or32_initial_elimination_offset): Likewise.
        (or32_function_ok_for_sibcall): Suppress sibcall optimization if
        the sibcall register might not be available.

        * config/or32/or32.c (or32_expand_prologue): Fix threshold for
        loading the frame size into a register.

        * config/or32/or32.md (SP_REG, FP_REG, UNSPEC_FRAME): New constants.
        (frame_dealloc_fp, frame_dealloc_sp): New insn patterns.
        * config/or32/or32.c (or32_expand_epilogue): Use frame_dealloc_[fs]p.

2010-11-01  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

        * config/or32/t-linux ($(T)crtbegin.o): Rename __dso_handle.

        (crtbegin$(objext)): Likewise.

2010-10-31  Joern Rennecke  <joern.rennecke@embecosm.com>

         * config/or32/or32.c (or32_struct_alignment): Refine rules to
         avoid overriding user settings.

         * Don't increase alignment of struct with sole packed field.

2010-10-29  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.c (or32_output_mi_thunk): New function.
        (or32_output_highadd, or32_output_tailcall): Likewise.
        (TARGET_ASM_OUTPUT_MI_THUNK): Redefine.
        (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.

        (or32_output_mi_thunk): Don't emit add of zero delta.

        * config/or32/or32.opt: Remove -maj option.
        * config/or32/or32.md, config/or32/or32.c: Likewise.

        * config.gcc: Add Embecosm Copyright notice.
        * config/or32/predicates.md: Likewise.
        * config/or32/or32.md: Likewise.
        * config/or32/t-or32: Likewise.
        * config/or32/or32.opt: Likewise.
        * config/or32/or32-protos.h: Likewise.
        * config/or32/crti.S: Likewise.
        * config/or32/or32.c: Likewise.
        * config/or32/constraints.md: Likewise.
        * config/or32/crtn.S: Likewise.
        * config/or32/default.h: Likewise.
        * config/or32/or32.h: Likewise.

2010-10-28  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.md (movsi_lo_sum, movsi_high): Enable generator
        function generation.
        (movsi_insn_big): Now define_insn_and_split.

        * config.gcc (or32-*-elf*): Change extra_parts to:
        "crti.o crtbegin.o crtend.o crtn.o".
        ( or32-*linux*): Change tmake_file to
        "${cpu_type}/t-${cpu_type} or32/t-linux"
        * config/or32/t-default, config/or32/initfini.c: Delete.
        * t-or32 ((T)or32-crtbegin.o, $(T)or32-crtend.o): Replace with:
        ((T)crti.o, $(T)crtn.o).
        * config/or32/t-linux: New file.
        * config/or32/crti.S, config/or32/crtn.S: Likewise.
        * config/or32/or32.h (STARTFILE_SPEC): Replace or32-crtbegin.o%s with
        crti.o%s crtbegin.o%s.
        (ENDFILE_SPEC): Set to crtend.o%s crtn.o%s.

        * config/or32/elf.h (DBX_DEBUGGING_INFO): Don't redefine.
        (PREFERRED_DEBUGGING_TYPE, PUT_SDB_DEF): Likewise.

        * config/or32/or32.md (tablejump): For -fpic, emit add of table base.

2010-10-26  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config.gcc (or32-*-elf*): Rename crtinit.o / crtfini.o
        to or32-crtbegin.o / or32-crtend.o.
        * config/or32/t-default, config/or32/t-or32 (Entire file): Likewise.
        * config/or32/initfini.c, config/or32/or32.h: Likewise.

2010-10-26  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.opt Mask(MASK_SCHED_LOGUE): Renamed to
        Mask(SCHED_LOGUE).  Changed all users.
        (-msibcall): Delete option.
        * config/or32/or32.md (sibcall, sibcall_value, sibcall_internal): Make
        patterns unconditional.
        (sibcall_internal): Change alternatives to handle callee-saved
        registers correctly.
        * config/or32/or32.c (or32_compute_frame_size): Place register save
        area at bottom of frame.
        (or32_expand_prologue): Initialize frame pointer from stack pointer.
        For large offsets, add a REG_FRAME_RELATED_EXPR note.
        (or32_expand_epilogue): Restore stack pointer from frame pointer.
        sibcall is now the sibcall epilogue insn to be split.
        (or32_compute_frame_size, or32_expand_prologue, or32_expand_epilogue):
        Use PROLOGUE_TMP and EPILOGUE_TMP.
        (or32_function_ok_for_sibcall): Retrun true.
        (TARGET_DEFAULT_TARGET_FLAGS): Include MASK_SCHED_LOGUE.
        (PROLOGUE_TMP, EPILOGUE_TMP): Define.
        * config/or32/or32.md (CC_REG): New constant.  Use it to denote
        register number of flags register.
        Include constraints.md.
        * config/or32/predicates.md (cc_reg_operand): Use CC_REG.
        (input_operand): Use satisfies_constraint_[KMI].
        * config/or32/or32-protos.h (or32_initial_elimination_offset): Declare.
        (or32_print_jump_restore): Declare.
        * config/or32/or32.h (OR32_LAST_ACTUAL_REG): Define.  Use in place of
        OR32_LAST_INT_REG to iterate through registers where appropriate.
        (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Define.
        (ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM): Define as fake hard
        registers.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_CLASS_CONTENTS): Update.
        (REGNO_REG_CLASS, REGISTER_NAMES): : Likewise.
        * config/or32/or32.c: Use HARD_FRAME_POINTER_REGNUM /
        hard_frame_pointer_rtx to refer to the hard frame pointer.
        (or32_emit_move): Now static.
        (or32_print_jump_restore): New function.
        (or32_compute_frame_size): Distinguish between saving the hard frame
        pointer and saving the GPR with the regno of the eliminated frame
        pointer.
        (indexed_memory): Delete.
        (stack_disp_mem): New function.
        (or32_compute_frame_size): Avoid over-wide shifts.
        (or32_output_function_prologue): Likewise.
        (or32_output_function_epilogue): Likewise.
        (or32_frame_pointer_required): Comment out.
        (or32_initial_elimination_offset): New function.
        (TARGET_FRAME_POINTER_REQUIRED): Don't redefine.
        (PRINT_OPERAND): Handle %J.
        * config/or32/constraints.md: New file.

2010-10-25  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32-protos.h (get_hard_reg_initial_val): Declare.
        * config/or32/or32.h (INCOMING_RETURN_ADDR_RTX): Fix register number.
        * (RETURN_ADDR_RTX): Define.

2010-10-12  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.c (or32_struct_alignment): Round up alignment to
        power of two.

        For unions, use maximum of field size for size estimate.

2010-10-11  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.opt (mpadstruct): New option.
        * config/or32/or32-protos.h (or32_struct_alignment): Declare.
        (or32_data_alignment): Likewise.
        * config/or32/or32.c (or32_struct_alignment): New function.
        (or32_data_alignment): Likewise.
        * config/or32/or32.h (STRUCTURE_SIZE_BOUNDARY): Default to 8.
        (ROUND_TYPE_ALIGN, DATA_ALIGNMENT, LOCAL_ALIGNMENT): Define.

        * config/or32/or32.c (or32_struct_alignment): Take
        maximum_field_alignment into account.

2010-09-14  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Fix typo.
        (JUMP_TABLES_IN_TEXT_SECTION): Define.
        * config/or32/default.h (JUMP_TABLES_IN_TEXT_SECTION): Use flag_pic.

2010-09-13  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/or32/or32.h (TRAMPOLINE_SIZE): Use result of
        or32_trampoline_code_size rather than its address.

        * config/or32/initfini.c (init): Rename to:
        (__init).
        * config/or32/or32.c (or32_trampoline_init): Don't clobber r12.

        * config.gcc (or32-*-elf*): Add newlib-stdint.h to tm_file.

2010-09-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * BASE_VER: Updated for gcc-4.5.1-or32-1.0rc1.

2010-09-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * config/or32/or32-protos.c <or32_trampoline_code_size>: Added.
        * config/or32/or32.c <TARGET_DEFAULT_TARGET_FLAGS>: Added.
        * config/or32/or32.h <TARGET_DEFAULT>: Deleted.
        * doc/contrib.texi: Updated for OpenRISC.
        * doc/invoke.texi: Updated for OpenRISC.

2010-09-04  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * config/or32/or32-protos.c <or32_trampoline_code_size>: Added.
        * config/or32/or32.c <OR32_MOVHI, OR32_ORI, OR32_LWZ, OR32_JR>:
        New macros added.
        (or32_emit_mode, or32_emit_binary, or32_force_binary)
        (or32_trampoline_code_size, or32_trampoline_init): Created.
        (or32_output_bf): Tabbing fixed.
        <TARGET_TRAMPOLINE_INIT>: Definition added.
        * config/or32/or32.h <STATIC_CHAIN_REGNUM>: Uses R11.
        <TRAMPOLINE_SIZE>: redefined.
        <TRAMPOLINE_ENVIRONMENT>: Added definition.

2010-09-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * haifa-sched.c (initiate_bb_reg_pressure_info): Declaration of i
        made conditional to avoid warning.
        * or32.c: Updated for compatibility with GCC 4.5.1. Redundant
        functions remobed. Now contains all target hooks.
        * or32.h: Complete rewrite for compatibility with GCC
        4.5.1. Removed all target hooks.
        * or32.md: Rewrite for compatibility with GCC 4.5.1.
        * or32-protos.h: Updated to match or32.c.

2010-09-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * .: All files updated to GCC 4.5.1 base.

2010-08-26  mirekez  <mirekez@gmail.com>

        * config/or32/or32.h <enum reg_class>: CR_REGS removed from
        enumeration.

2010-08-26  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * vec.h: All references to VEC_TA_GTY with an empty fourth
        argument replaced by VEC_TA_GTY_ANON with only three arguments
        <VEC_TA_GTY_ANON>: Created.

2010-08-25  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * config/or32/elf.h <DWARF2_DEBUGGING_INFO>: Defined.
        <PREFERRED_DEBUGGING_TYPE>: Changed to DWARF2_DEBUG.
        <PUT_SDB_DEF>: Deleted.
        * config/or32/or32.h: Obsolete code surrounded by "#if 0" removed
        for clarity.
        <SDB_DELIM>: Definition deleted.
        <DBX_CONTIN_LENGTH, DBX_CONTIN_CHAR, DBX_REGISTER_NUMBER>:
        Definition deleted (default suffices).
        <DWARF2_UNWIND_INFO, DWARF2_FRAME_INFO>: Defined.
        <DWARF2_ASM_LINE_DEBUG_INFO, INCOMIN_RETURN_ADDR_RTX>: Defined.
        * config/or32/or32.md: Commenting clarified. Obsolete code for
        define_function_unit deleted.

2010-08-19  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * config/or32/elf.h <PUT_SDB_DEF>: Definition removed.
        <USER_LABEL_PREFIX>: Modified to match or32.h
        * config/or32/linux-elf.h<USER_LABEL_PREFIX>: Modified to match
        or32.h
        * config/or32/or32.h <LIB_SPEC>: Changed to use free instead of
        _free to match change in USER_LABEL_PREFIX.
        <USER_LABEL_PREFIX>: Changed from "_" to "".
        <ASM_OUTPUT_FUNCTION_PREFIX>: Surround .proc by tab chars.
        * config/or32/or32.S (__mulsi3, __udivsi3, __divsi3, __umodsi3)
        (__modsi3): Changed from ___mulsi3, ___udivsi3, ___divsi3,
        ___umodsi3 and ___modsi3 respectively to match change in
        USER_LABEL_PREFIX.

2010-07-20  Jeremy Bennett <jeremy.bennett@embecosm.com>

        * config/or32/or32.h: Updated LIB_SPEC for newlib 1.18.0 to force
        linking of _malloc and _free against a weak reference also when
        using -lg.

2010-07-19  Jeremy Bennett <jeremy.bennett@embecosm.com>

        * config/or32/or32.h: Updated LIB_SPEC for newlib 1.18.0 to force
        linking of _malloc and _free against a weak reference.

2010-07-17  Jeremy Bennett <jeremy.bennett@embecosm.com>

        * config/or32/or32.h: Updated STARTFILE_SPEC and LIB_SPEC
        definition for newlib.

2010-07-16  Jeremy Bennett <jeremy.bennett@embecosm.com>

        * config/or32/or32.h: Updated SPEC definitions to pick up newlib
        in custom location.

2010-07-13  Jeremy Bennett <jeremy.bennett@embecosm.com>

        * config/or32/initfini.c: Corrected assembler sequences.

2010-07-07  Jeremy Bennett <jeremy.bennett@embecosm.com>

        * config.gcc: Specified cpu_type for or32. Corrected templates
        specified for or32-*-elf*. Added extra_parts for
        or32-*-elf*. Specified t-or32 as tmake_file for or32-*-elf*.
        * config/or32/initfini.c: Created.
        * config/or32/or32.h <LINK_SPEC>: Removed.
        <STARTFILE_SPEC>: Add crtinit.o.
        <ENDFILE_SPEC>: Just specify crtfini.o.
        <LIB_SPEC>: Unified multiple definitions. Added newlib library
        when specified.
        * config/or32/or32.opt <mor32-newlib-uart>: New option added.
        * config/or32/t-default: Added details for crtinit and crtfini.
        * config/or32/t-or32: Added details for crtinit and crtfini.

2010-06-30  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * config/or32/or32.h <FUNCTION_PROFILER>: Corrected definition.
        <LINK_SPEC>: Pick up newlib specific linker script.
        <ENDFILE_SPEC>: Specify newlib library.
        * config/or32/or32.opt <mor32-newlib>: New option added.

2010-06-21  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * config/or32/or32.md: Duplicate define_insn of "movdf" and "movsf"
        removed.

2010-06-17  Jungsook yang  <jungsook.yang@uci.edu>

        * config/or32/or32.c (or32_expand_branch): Added SFmode case.
        * config/or32/or32.md <define_expand "*cmpsf">: Added.
        <define_expand "*cmpsf_eq">: Added.
        <define_expand "*cmpsf_ne">: Added.
        <define_expand "*cmpsf_gt">: Added.
        <define_expand "*cmpsf_ge">: Added.
        <define_expand "*cmpsf_lt">: Added.
        <define_expand "*cmpsf_le">: Added.
        <define_insn "movdf">: Added.
        <define_insn "movsf">: Added.
        <define_insn "adddf3">: Added TARGET_DOUBLE_FLOAT.
        <define_insn "subdf3">: Added TARGET_DOUBLE_FLOAT.
        <define_insn "muldf3">: Added TARGET_DOUBLE_FLOAT.
        <define_insn "divdf3">: Added TARGET_DOUBLE_FLOAT.
        <define_insn "floatsisf2">: Added.
        <define_insn "fixunssfsi2">: Added.
        <define_insn "movdf">: Added.
        <define_insn "movsf">: Added.
        * config/or32/or32.opt: mdouble-float option added.

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