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| author | Jeff Law <law@gcc.gnu.org> | 1998-07-27 07:53:27 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-07-27 07:53:27 -0600 |
| commit | 4944f54f41c6f1c3bebc247007a5179f5e19a81a (patch) | |
| tree | c54730237445d6370ca99c54a479a513d96693c2 /gcc | |
| parent | 217b83c96ab1e668942aa7aba1224bd82b6b402d (diff) | |
| download | gcc-4944f54f41c6f1c3bebc247007a5179f5e19a81a.zip gcc-4944f54f41c6f1c3bebc247007a5179f5e19a81a.tar.gz gcc-4944f54f41c6f1c3bebc247007a5179f5e19a81a.tar.bz2 | |
mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
`
* mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
(DEBUGGER_ARG_OFFSET): Likewise.
* mn10300.md (movsf): Remove last change. Not needed.
From-SVN: r21415
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/mn10300/mn10300.h | 23 | ||||
| -rw-r--r-- | gcc/config/mn10300/mn10300.md | 8 |
2 files changed, 23 insertions, 8 deletions
diff --git a/gcc/config/mn10300/mn10300.h b/gcc/config/mn10300/mn10300.h index 938561c..3e03a4b 100644 --- a/gcc/config/mn10300/mn10300.h +++ b/gcc/config/mn10300/mn10300.h @@ -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 diff --git a/gcc/config/mn10300/mn10300.md b/gcc/config/mn10300/mn10300.md index e10df8a..a0d0652 100644 --- a/gcc/config/mn10300/mn10300.md +++ b/gcc/config/mn10300/mn10300.md @@ -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\"; } }" |