* h8300.h (RETURN_ADDR_RTX): New.

From-SVN: r45262

* h8300.h (RETURN_ADDR_RTX): New.
From-SVN: r45262
39fc3cc7 · Kazu Hirata · Kazu Hirata · b3a68dba · 39fc3cc7 · 39fc3cc7
Commit 39fc3cc7 authored Aug 29, 2001 by Kazu Hirata Committed by Kazu Hirata Aug 29, 2001
Hide whitespace changes
Inline Side-by-side

Showing with 13 additions and 0 deletions

gcc/ChangeLog
+4 -0

gcc/config/h8300/h8300.h
+9 -0

No files found.
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 2001-08-29  Kazu Hirata  <kazu@hxi.com>

+	* h8300.h (RETURN_ADDR_RTX): New.
+
+2001-08-29  Kazu Hirata  <kazu@hxi.com>
+
 	* h8300.md (movsi_h8300hs): Optimize loading of several
 	special constants.


--- a/gcc/config/h8300/h8300.h
+++ b/gcc/config/h8300/h8300.h
@@ -495,6 +495,15 @@ enum reg_class {

 #define STARTING_FRAME_OFFSET 0

+/* We do not know if the caller has a frame pointer, so we cannot go
+   beyond level 0.  */
+
+#define RETURN_ADDR_RTX(COUNT, FRAME)					   \
+  ((COUNT) == 0								   \
+   ? gen_rtx_MEM (Pmode,						   \
+		  plus_constant (arg_pointer_rtx, -GET_MODE_SIZE (Pmode))) \
+   : 0)
+
 /* If we generate an insn to push BYTES bytes,
   this says how many the stack pointer really advances by.