Subversion Repositories openrisc_2011-10-31

2010-11-07  Joern Rennecke  

        * 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  

        * 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  

         * 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  

        * 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  

        * 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  

        * 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  

        * 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  

        * 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  

        * 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  

        * 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  

        * 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  

        * 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  

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

2010-09-05  Jeremy Bennett  

        * config/or32/or32-protos.c : Added.

        * config/or32/or32.c : Added.

        * config/or32/or32.h : Deleted.

        * doc/contrib.texi: Updated for OpenRISC.

        * doc/invoke.texi: Updated for OpenRISC.

2010-09-04  Jeremy Bennett  

        * config/or32/or32-protos.c : Added.

        * config/or32/or32.c :

        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.

        : Definition added.

        * config/or32/or32.h : Uses R11.

        : redefined.

        : Added definition.

2010-09-01  Jeremy Bennett  

        * 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  

        * .: All files updated to GCC 4.5.1 base.

2010-08-26  mirekez  

        * config/or32/or32.h : CR_REGS removed from

        enumeration.

2010-08-26  Jeremy Bennett  

        * vec.h: All references to VEC_TA_GTY with an empty fourth

        argument replaced by VEC_TA_GTY_ANON with only three arguments

        : Created.

2010-08-25  Jeremy Bennett  

        * config/or32/elf.h : Defined.

        : Changed to DWARF2_DEBUG.

        : Deleted.

        * config/or32/or32.h: Obsolete code surrounded by "#if 0" removed

        for clarity.

        : Definition deleted.

        :

        Definition deleted (default suffices).

        : Defined.

        : Defined.

        * config/or32/or32.md: Commenting clarified. Obsolete code for

        define_function_unit deleted.

2010-08-19  Jeremy Bennett  

        * config/or32/elf.h : Definition removed.

        : Modified to match or32.h

        * config/or32/linux-elf.h: Modified to match

        or32.h

        * config/or32/or32.h : Changed to use free instead of

        _free to match change in USER_LABEL_PREFIX.

        : Changed from "_" to "".

        : 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 

        * 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 

        * 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 

        * config/or32/or32.h: Updated STARTFILE_SPEC and LIB_SPEC

        definition for newlib.

2010-07-16  Jeremy Bennett 

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

        in custom location.

2010-07-13  Jeremy Bennett 

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

2010-07-07  Jeremy Bennett 

        * 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 : Removed.

        : Add crtinit.o.

        : Just specify crtfini.o.

        : Unified multiple definitions. Added newlib library

        when specified.

        * config/or32/or32.opt : 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  

        * config/or32/or32.h : Corrected definition.

        : Pick up newlib specific linker script.

        : Specify newlib library.

        * config/or32/or32.opt : New option added.

2010-06-21  Jeremy Bennett  

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

        removed.

2010-06-17  Jungsook yang  

        * config/or32/or32.c (or32_expand_branch): Added SFmode case.

        * config/or32/or32.md : Added.

        : Added.

        : Added.

        : Added.

        : Added.

        : Added.

        : Added.

        : Added.

        : Added.

        : Added TARGET_DOUBLE_FLOAT.

        : Added TARGET_DOUBLE_FLOAT.

        : Added TARGET_DOUBLE_FLOAT.

        : Added TARGET_DOUBLE_FLOAT.

        : Added.

        : Added.

        : Added.

        : Added.

        * config/or32/or32.opt: mdouble-float option added.