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(expand_builtin, BUILT_IN_FRAME_ADDRESS case): Use new

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macros SETUP_FRAME_ADDRESSES and RETURN_ADDR_IN_PREVIOUS_FRAME.

From-SVN: r3609
This commit is contained in:
Jim Wilson 1993-03-02 13:10:49 -08:00
parent 953fe17998
commit 46b68a3769
1 changed files with 17 additions and 0 deletions
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17
gcc/expr.c
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@ -6301,6 +6301,23 @@ expand_builtin (exp, target, subtarget, mode, ignore)
rtx tem = frame_pointer_rtx;
int i;
/* Some machines need special handling before we can access arbitrary
frames. For example, on the sparc, we must first flush all
register windows to the stack. */
#ifdef SETUP_FRAME_ADDRESSES
SETUP_FRAME_ADDRESSES ();
#endif
/* On the sparc, the return address is not in the frame, it is
in a register. There is no way to access it off of the current
frame pointer, but it can be accessed off the previous frame
pointer by reading the value from the register window save
area. */
#ifdef RETURN_ADDR_IN_PREVIOUS_FRAME
if (DECL_FUNCTION_CODE (fndecl) == BUILT_IN_RETURN_ADDRESS)
count--;
#endif
/* Scan back COUNT frames to the specified frame. */
for (i = 0; i < count; i++)
{