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  1. 14 Aug, 2000 1 commit
  3. 11 Aug, 2000 1 commit
    • law's avatar
      * h8300.c (expand_a_rotate): New. · b4fa7cf2
      law authored 
              (emit_a_rotate): Likewise.
        (h8300_adjust_insn_length): Add support for the rotate insns.
        * h8300.md (rotlqi3): New.
        (*rotlqi3_1): Likewise.
        (rotlhi3): Likewise.
        (*rotlhi3_1): Likewise.
        (rotlhi3): Likewise.
        (*rotlhi3_1): Likewise.
        * h8300-proto.h: Add prototypes for expand_a_rotate and
        emit_a_rotate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35616 138bc75d-0d04-0410-961f-82ee72b054a4
      b4fa7cf2
  5. 08 Aug, 2000 1 commit
  7. 01 Aug, 2000 1 commit
  9. 31 Jul, 2000 1 commit
  11. 20 Jul, 2000 1 commit
  13. 17 Jul, 2000 1 commit
  15. 18 May, 2000 2 commits
  17. 26 Feb, 2000 1 commit
  19. 14 Jan, 2000 1 commit
  21. 16 Dec, 1999 1 commit
  23. 22 Mar, 1999 1 commit
  25. 12 Feb, 1999 1 commit
  27. 01 Jul, 1998 1 commit
  29. 06 May, 1997 1 commit
  31. 26 Sep, 1996 1 commit
    • law's avatar
      * h8300/h8300.h (FIRST_PSEUDO_REGISTER): Bump up by one. · a65ce2f2
      law authored 
              (ARG_POINTER_REGNUM): Likewise.
        (FIXED_REGISTERS): Add entry for MAC register.
        (CALL_USED_REGISTERS< REG_ALLOC_ORDER): Likewise.
        (HARD_REGNO_NREGS): Handle MAC register.
        (HARD_REGNO_MODE_OK< REGNO_OK_FOR_BASE_P): LIkewise.
        (REGISTER_NAMES): Likewise.
        (enum reg_class): New MAC_REGS register class.
        (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Corresponding changes.
        (REG_CLASS_FROM_LETTER): LIkewise.
        (REGISTER_MOVE_COST): Make copies to/from the MAC register
        expenseive.
        (CONDITIONAL_REGISTER_USAGE): Define.
        * h8300/h8300.md (movsi_h8300hs): Renamed from movsi_h8300h.
        Handle moves to/from the MAC register.
        (mac): Two new patterns to use the mac instruction.

        * h8300/h8300.c (notice_update_cc): Fix CC_SET case.
        (restore_compare_p): Remove unused function.
        * h8300/h8300.md: Handle "set" vs "set_zn_c0" correctly.
        (bCC patterns): No longer need to call restore_compare_p.


        * h8300/h8300.c (get_shift_alg): Fix HImode ASHIFTRT by
        13 or 14 bits.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@12848 138bc75d-0d04-0410-961f-82ee72b054a4
      a65ce2f2
  33. 08 Jul, 1996 1 commit
    • law's avatar
      * First cut at support for the H8/S. · 69b4e418
      law authored 
              * h8300/h8300.c (h8300_init_once): Handle the H8/S (treat it
        like the H8/300H).
        (dosize, adds_subs_operand, one_insn_adds_subs_operand): Likewise.
        (output_adds_subs, const_costs, print_operand): Likewise.
        (output_simode_bld, h8300_adjust_insn_length): Likewise.
        (push_order, pop_order): Reverse.
        (function_prologue): Try to use ldm.l and stm.l insns
        on the H8/S.  Minor cleanups.
        (function_epilogue): Likewise.
        (asm_file_start): Emit ".h8300s" when compiling for the H8/S.
        * h8300/h8300.h (CPP_SPEC): Handle the H8/S.
        (TARGET_H8300S): New target.
        (TARGET_SWITCHES): Add "-ms" and "-mno-s".
        (BITS_PER_WORD): Handle the H8/S (treat it like the H8/300H).
        (UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY): Likewise.
        (BIGGEST_ALIGNMENT, BIGGEST_FIELD_ALIGNMENT): Likewise.
        (INITIALIZE_TRAMPOLINE, MOVE_MAX, Pmode): Likewise.
        * h8300/h8300.md: Handle H8/S just like H8/300H
        throughout the entire file.
        * h8300/t-h8300 (MULTILIB_OPTIONS): Build "-ms" libraries
        too.
        (MULTILIB_DIRNAMES): Put H8/S libraries in "h8300s" directory.
        * h8300/lib1funcs.asm: Emit ".h8300s" pseudo-op when generating
        h8300s object files.  Otherwise treat the H8/S just like the H8/300H.
        * ginclude/stdarg.h: Handle the H8/S.
        * ginclude/varargs.h: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@12410 138bc75d-0d04-0410-961f-82ee72b054a4
      69b4e418
  35. 23 May, 1996 1 commit
  37. 22 May, 1996 1 commit
  39. 08 May, 1996 1 commit
    • law's avatar
      * h8300/h8300.c: Include obstack.h. · 27a0be8f
      law authored 
              (bit_memory_operand): New function.
        (print_operand): Append ":16" to a memory reference to
        the tiny data area.
        (h8300_tiny_data_p): New function.
        (h8300_valid_machine_decl_attribute): Accept "tiny_data".  Fix
        typo.
        (h8300_encode_label): New function.
        (h8300_adjust_insn_length): References to the tiny data section
        are two bytes shorter than normal accesses on the H8/300H.
        * h8300/h8300.h (OK_FOR_U): Fix thinko.
        (ENCODE_SECTION_INFO): Encode info for tiny data variables.
        (STRIP_NAME_ENCODING): Define.
        * h8300/h8300.md (movqi insn): Fix length for a constant load.
        (movstrictqi): Likewise.
        (movhi, movstricthi): Likewise.
        (memory btst patterns): Add register to the constraints to keep
        reload happy.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11955 138bc75d-0d04-0410-961f-82ee72b054a4
      27a0be8f
  41. 07 May, 1996 1 commit
  43. 01 May, 1996 2 commits
  45. 30 Apr, 1996 1 commit
    • law's avatar
      * h8300/h8300.c (one_insn_adds_subs_operand): New function. · fe19f1e0
      law authored 
              (h8300_adjust_insn_length): New function.
        * h8300/h8300.h (ADJUST_INSN_LENGTH): Define.
        * h8300/h8300.md: Remove obsolete comments.
        (move patterns): Tweak constraints.
        (tst patterns): Use "register_operand" for predicate.
        (adds pattern): Use one_insn_adds_subs_operand to get length
        computation correct.
        (subs pattern): Similarly.
        (movstrhi): Remove unused expander.
        (fancy*, pxor, and-not patterns): Remove.  No longer needed.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11907 138bc75d-0d04-0410-961f-82ee72b054a4
      fe19f1e0
  47. 29 Apr, 1996 1 commit
    • law's avatar
      * h8300/h8300.c (names_small): Remove "BAD" postfix from · 92eae32b
      law authored 
              %r7 byte registers.
        (rtx_equal_function_value_matters): Remove extra declaration.
        (output_simode_bld): New function.
        * h8300/h8300.h (NO_FUNCTION_CSE): Do define this.  Register
        pressure makes cse-int function addresses rarely a win.
        (reg_class): Remove unnecessary register classes LONG_REGS,
        SP_REG, SP_AND_G_REGS.
        (REG_CLASS_NAMES): Corresponding changes.
        (REG_CLASS_CONTENTS): Corresponding changes.
        (REGNO_REG_CLASS): Corresponding changes.
        (REG_CLASS_FROM_LETTER): Corresponding chagnes.
        (output_simode_bld): Declare.
        * h8300/h8300.md: Nuke comments for stuff which has been fixed.
        (all patterns): Remove references to register class "a" (SP_REGS)
        which no longer exists.
        (many patterns): Accept auto-inc auto-dec addresses in more cases.
        (zero_extendqisi2): New pattern for the H8/300.
        (zero_extendhisi2): Only use zero_extendhisi2_h8300 when not optimizing.
        (extendhisi2): Only use extendhisi2_h8300 when not optimizing.
        (extendqisi2): New pattern for the H8/300.
        (bitfield related patterns): Completely rewrite.
        (fancy_bclr, fancy_btst): Deleted.  Redundant with new bitfield
        patterns.
        (addhi3 pattern for h8300): Handle case where we can't make matching
        constraints (works around hard to fix reload problem).
        (stack_pointer_manip): Delete.
        (and not patterns): New combiner patterns.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11902 138bc75d-0d04-0410-961f-82ee72b054a4
      92eae32b
  49. 18 Apr, 1996 1 commit
    • law's avatar
      * h8300/h8300.md: Remove "type" attribute from all patterns · 4f27178c
      law authored 
              except those which have varying length branches.  Eliminate
        obsolete "type" attributes.  Add additional comments about insn
        length computation problems and further optimizations.  Add
        "length" and "cc" attributes to insns without them, fix a few
        length computations.  Remove patterns which are commented out.

        * h8300/h8300.md (zero extension expanders and insns): Simplify,
        fix various length problems, provide optimized versions for the
        h8300 and h8300h.
        (sign extension expanders and insns): Likewise.  Make them
        nearly identical to zero_extension patterns and insns.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11849 138bc75d-0d04-0410-961f-82ee72b054a4
      4f27178c
  51. 16 Apr, 1996 1 commit
    • law's avatar
      * h8300/h8300.md (andhi3): If 2nd operand is a CONST_INT that · b74662f7
      law authored 
              meets the 'J' constraint, then only two bytes are needed for
        this insn.  Improve code generated for the h8300h when both
        operands are registers.
        (iorhi3, xorhi3): Likewise.  Rework to be nearly identical to andhi3.
        (andsi3): If 2nd operand is a CONST_INT that meets the 'J'
        constraint, then only two bytes are need for this insn.
        Improve code generated for the h8300h regardless of the
        type of the 2nd operand.  Make this pattern work on the h8300 too.
        (iorsi3, xorsi3): Likewise.  Rework to be nearly identical to andsi3.
        (iorqi3_internal): Make this pattern look more like andqi3_internal.
        (one_cmplhi2, one_cmplsi2): Fix length computation for H8300H.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11830 138bc75d-0d04-0410-961f-82ee72b054a4
      b74662f7
  53. 13 Apr, 1996 2 commits
    • law's avatar
      * h8300/h8300.c (adds_subs_operand): Fix thinko in last change. · c85d36fa
      law authored 
              * h8300/h8300.md (subhi3): Turn into a define_expand.
        (subhi3 using adds_subs): New pattern.
        (H8300 subhi): Derived from old subhi pattern.  Simplified.
        (H8300H subhi): Likewise.
        (subsi using adds_subs): New pattern.  Only used on H8300H.
        (subsi_h8300): Allow "a" registers as destination.
        (subsi_h8300h): Allow "a" registers as destination.  Simplify.

        * h8300/h8300.md (bcs_qiqi, bcs_hihi, bs_hiqi): Fix thinkos
        in last change.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11754 138bc75d-0d04-0410-961f-82ee72b054a4
      c85d36fa
    • law's avatar
      * h8300.md: Add more comments about things which seem · 0a56558f
      law authored 
              wrong, stupid, or just don't make any sense yet.

        * h8300.c (adds_subs_operand): New function.
        (output_adds_subs): New function.
        * h8300.md (addhi3): Turn into a define_expand.
        (addhi3 using adds_subs): New pattern.
        (H8300 addhi): Derived from old addhi pattern.  Simplified.
        (H8300H addhi): Likewise.
        (addsi using adds_subs): New pattern.  Only used on H8300H.
        (addsi_h8300): Allow "a" registers as destination.
        (addsi_h8300h):  Simplify.  Allow "a" registers as destination.

        * h8300.md (bcs): New attribute type.
        (default_length): Compute correct length for bcs insns.
        (bcs_qiqi, bcs_hihi, bs_hiqi): Use new type and update
        to account for correct length computation.

        * h8300.md (movhi_internal): Demand at least one operand to
        be a register.
        (movsi_h8300): Optimize loading certain constants.
        (movsi_h8300h): Likewise.

        * h8300.h (NO_FUNCTION_CSE): Comment out.
        (FUNCTION_ARG_REGNO_P): Properly define for TARGET_QUICKCALL.
        (RETURN_IN_MEMORY): Don't return small structs in regs.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11751 138bc75d-0d04-0410-961f-82ee72b054a4
      0a56558f
  55. 12 Apr, 1996 1 commit
    • law's avatar
      * h8300/h8300.c (print_operand): Handle new 'R' case for accessing · 2c7be643
      law authored 
              the 8-bit area.  Make code for 'Y' fall into code for 'R' when
        operand is not a register.  Update some comments.
        (h8300_tiny_data_p): New function.
        (h8300_valid_machine_decl_attribute): Handle "tiny_data" attribute.
        * h8300/h8300.h (OK_FOR_U): Handle memory references into the
        8-bit area.
        (ENCODE_SECTION_INFO): Mark SYMBOL_REFs which refer to the 8-bit
        area.
        * h8300/h8300.md (many patterns): Use 'R' rather than 'X' for
        operands that may be memory accesses into the 8-bit area.
        (btst pattern): New pattern to set the cc0 (zbit) based on
        data in the 8-bit area.

        * h8300/h8300.md (one_cmplsi2): Fix length computation for h8300h.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11707 138bc75d-0d04-0410-961f-82ee72b054a4
      2c7be643
  57. 03 Apr, 1996 2 commits
  59. 01 Apr, 1996 1 commit
    • law's avatar
      * h8300.c (interrupt_handler): Renamed from pragma_interrupt. · b11bfc61
      law authored 
              All references changed.
        (function_prologue): Set interrupt_handler if the current
        function has the "interrrupt-handler" attribute.
        (small_call_insn_operand): New function.
        (h8300_interrrupt_function_p): New function.
        (h8300_funcvec_function_p): New function.
        (h8300_valid_machine_decl_attribute): New function.
        * h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Define.
        * h8300.md (call insns): Handle calls through the
        function vector.  Indirect calls and calls through
        the function vector have a length of two bytes.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11650 138bc75d-0d04-0410-961f-82ee72b054a4
      b11bfc61
  61. 11 Mar, 1996 1 commit
    • dje's avatar
      * h8300/h8300.h (SP_AND_G_REGS): Renamed from SP_AND_G_REG. · 30c992ef
      dje authored 
      	(CC_DONE_CBIT): Delete.
	(CC_OVERFLOW_0,CC_OVERFLOW_UNUSABLE,CC_NO_CARRY): Define.
	* h8300/h8300.c (cond_string): Delete CC_DONE_CBIT handling.
	(notice_update_cc): Delete CC_CBIT, CC_WHOOPS.  Add CC_SET_ZN_C0.
	(restore_compare_p): New function.
	(shift_one): Use shll instead of shal so overflow bit is usable.
	Set cc_valid bits to cc_status.flags values.
	(emit_a_shift): Set cc_status.flags.
	* h8300/h8300.md (attr cc): Delete whoops,cbit.  Add set_zn_c0.
	(all patterns) Update cc attr setting.
	(tstqi,tsthi,tstsi): Delete CC_DONE_CBIT handling.
	(addhi3,subhi3): Change define_expand to define_insn.
	(branch_true,branch_false): Check if compare needs to be restored.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11514 138bc75d-0d04-0410-961f-82ee72b054a4
      30c992ef
  63. 28 Aug, 1995 1 commit
  65. 19 Aug, 1995 1 commit
  67. 15 Jun, 1995 2 commits
  69. 22 May, 1995 1 commit

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