*** empty log message ***

From-SVN: r589
This commit is contained in:
Richard Stallman 1992-03-26 08:32:26 +00:00
parent 348affc3f0
commit 492f34e08e

View File

@ -333,9 +333,12 @@ extern int hard_regno_mode_ok[FIRST_PSEUDO_REGISTER];
Used in flow.c, global-alloc.c, and reload1.c. */
extern int leaf_function;
extern int compute_last_arg_offset ();
/* Return 0 if span from stack ptr to last stack arg is too far. */
#define FRAME_POINTER_REQUIRED \
(! (leaf_function_p () && only_leaf_regs_used ()))
(! (leaf_function_p () && only_leaf_regs_used () \
&& compute_last_arg_offset () < 4090))
/* C statement to store the difference between the frame pointer
and the stack pointer values immediately after the function prologue.