* calls.c (expand_call): Supress sibcall if we have a

        BLKmode return in registers.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37076 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 11 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index eb7254354d6..8367bdb2661 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2000-10-26  Richard Henderson  <rth@redhat.com>
+
+	* calls.c (expand_call): Supress sibcall if we have a 
+	BLKmode return in registers.
+
 2000-10-26  Bernd Schmidt  <bernds@redhat.co.uk>
 
 	* ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
diff --git a/gcc/calls.c b/gcc/calls.c
index 0eea66436df..e90be2ea81f 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -3259,7 +3259,12 @@ expand_call (exp, target, ignore)
 	  emit_move_insn (target, valreg);
 	}
       else if (TYPE_MODE (TREE_TYPE (exp)) == BLKmode)
-	target = copy_blkmode_from_reg (target, valreg, TREE_TYPE (exp));
+	{
+	  target = copy_blkmode_from_reg (target, valreg, TREE_TYPE (exp));
+
+	  /* We can not support sibling calls for this case.  */
+	  sibcall_failure = 1;
+	}
       else
 	target = copy_to_reg (valreg);