diff options
Diffstat (limited to 'gcc/config/frv/frv.h')
| -rw-r--r-- | gcc/config/frv/frv.h | 22 |
1 files changed, 1 insertions, 21 deletions
diff --git a/gcc/config/frv/frv.h b/gcc/config/frv/frv.h index 15047e3c7ed..483ed77e9f7 100644 --- a/gcc/config/frv/frv.h +++ b/gcc/config/frv/frv.h @@ -1,5 +1,5 @@ /* Target macros for the FRV port of GCC. - Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008 + Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc. Contributed by Red Hat Inc. @@ -1564,26 +1564,6 @@ typedef struct frv_stack { /* Eliminating the Frame Pointer and the Arg Pointer. */ -/* A C expression which is nonzero if a function must have and use a frame - pointer. This expression is evaluated in the reload pass. If its value is - nonzero the function will have a frame pointer. - - The expression can in principle examine the current function and decide - according to the facts, but on most machines the constant 0 or the constant - 1 suffices. Use 0 when the machine allows code to be generated with no - frame pointer, and doing so saves some time or space. Use 1 when there is - no possible advantage to avoiding a frame pointer. - - In certain cases, the compiler does not know how to produce valid code - without a frame pointer. The compiler recognizes those cases and - automatically gives the function a frame pointer regardless of what - `FRAME_POINTER_REQUIRED' says. You don't need to worry about them. - - In a function that does not require a frame pointer, the frame pointer - register can be allocated for ordinary usage, unless you mark it as a fixed - register. See `FIXED_REGISTERS' for more information. */ -#define FRAME_POINTER_REQUIRED frv_frame_pointer_required () - /* If defined, this macro specifies a table of register pairs used to eliminate unneeded registers that point into the stack frame. If it is not defined, the only elimination attempted by the compiler is to replace references to |