From: Kazu Hirata <kazu@hxi.com>
Date: Wed, 29 Aug 2001 16:04:13 +0000 (+0000)
Subject: * h8300.h (RETURN_ADDR_RTX): New.
X-Git-Tag: prereleases/libstdc++-3.0.95~2365
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=39fc3cc7785b6e38cad746fdb449cc67a0929a06;p=thirdparty%2Fgcc.git

* h8300.h (RETURN_ADDR_RTX): New.

From-SVN: r45262
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f245fa60c18c..796b2080944d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+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
diff --git a/gcc/config/h8300/h8300.h b/gcc/config/h8300/h8300.h
index dc7a8ace768e..ea1d3e8df0a8 100644
--- 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.