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mn10300.h (DEBUGGER_AUTO_OFFSET): Define.

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        * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
        (DEBUGGER_ARG_OFFSET): Likewise.
        * mn10300.md (movsf): Remove last change.  Not needed.

From-SVN: r21415
This commit is contained in:
Jeff Law 1998-07-27 07:53:27 -06:00
parent 217b83c96a
commit 4944f54f41
2 changed files with 23 additions and 8 deletions
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23
gcc/config/mn10300/mn10300.h
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@ -954,6 +954,29 @@ do { char dstr[30]; \
#define DBX_REGISTER_NUMBER(REGNO) REGNO
/* GDB always assumes the current function's frame begins at the value
of the stack pointer upon entry to the current function. Accessing
local variables and parameters passed on the stack is done using the
base of the frame + an offset provided by GCC.
For functions which have frame pointers this method works fine;
the (frame pointer) == (stack pointer at function entry) and GCC provides
an offset relative to the frame pointer.
This loses for functions without a frame pointer; GCC provides an offset
which is relative to the stack pointer after adjusting for the function's
frame size. GDB would prefer the offset to be relative to the value of
the stack pointer at the function's entry. Yuk! */
#define DEBUGGER_AUTO_OFFSET(X) \
((GET_CODE (X) == PLUS ? INTVAL (XEXP (X, 1)) : 0) \
+ (frame_pointer_needed \
? 0 : -initial_offset (FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM)))
#define DEBUGGER_ARG_OFFSET(OFFSET, X) \
((GET_CODE (X) == PLUS ? OFFSET : 0) \
+ (frame_pointer_needed \
? 0 : -initial_offset (ARG_POINTER_REGNUM, STACK_POINTER_REGNUM)))
/* Define to use software floating point emulator for REAL_ARITHMETIC and
decimal <-> binary conversion. */
#define REAL_ARITHMETIC

8
gcc/config/mn10300/mn10300.md
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@ -318,14 +318,6 @@
/* FALLTHROUGH */
case 4:
case 5:
if (GET_CODE (operands[1]) == CONST_DOUBLE)
{
rtx xoperands[2];
xoperands[0] = operands[0];
xoperands[1] = GEN_INT (CONST_DOUBLE_LOW (operands[1]));
output_asm_insn (\"mov %1,%0\", xoperands);
return \"\";
}
return \"mov %1,%0\";
}
}"