From: J"orn Rennecke <amylaar@cygnus.co.uk>
Date: Mon, 9 Mar 1998 06:13:39 +0000 (+0000)
Subject: * sh.h (MUST_PASS_IN_STACK): Define.
X-Git-Tag: prereleases/egcs-1.1-prerelease~2157
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=97e3c42239ca0eb3ee8425cfc40faa615fdead4c;p=thirdparty%2Fgcc.git

* sh.h (MUST_PASS_IN_STACK): Define.

From-SVN: r18447
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 87b27d87307e..2092ff10a3df 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Mon Mar  9 14:10:23 1998  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.h (MUST_PASS_IN_STACK): Define.
+
 Sun Mar  8 13:01:56 1998  Jeffrey A Law  (law@cygnus.com)
 
 	* final.c (shorten_branches): Fix minor logic error in
diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h
index 746da4fdf715..fad76c91ac44 100644
--- a/gcc/config/sh/sh.h
+++ b/gcc/config/sh/sh.h
@@ -730,6 +730,14 @@ extern enum reg_class reg_class_from_letter[];
    on the stack.  */
 #define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE)  0
 
+/* Nonzero if we do not know how to pass TYPE solely in registers.
+   Values that come in registers with inconvenient padding are stored
+   to memory at the function start.  */
+
+#define MUST_PASS_IN_STACK(MODE,TYPE)			\
+  ((TYPE) != 0						\
+   && (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST	\
+       || TREE_ADDRESSABLE (TYPE)))
 /* Some subroutine macros specific to this machine. */
 
 #define BASE_RETURN_VALUE_REG(MODE) \