From: Bernd Schmidt <bernds@redhat.co.uk>
Date: Fri, 22 Dec 2000 14:55:10 +0000 (+0000)
Subject: Fix a vax failure
X-Git-Tag: prereleases/gcc-2.95.3-test1~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e730fb8dbfc6d44894bee940d2ef7b61d8aa0f7;p=thirdparty%2Fgcc.git

Fix a vax failure

From-SVN: r38462
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f54aa89f70e3..d19ab0a9d367 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 2000-12-22  Bernd Schmidt  <bernds@redhat.co.uk>
 
+	* calls.c (emit_call_1): Fall back to call_pop/call_value_pop if no
+	non-popping calls are available.
+
 	* flow.c (propagate_block): Use flow_delete_insn instead of
 	NOTEifying a dead ADDR_VEC.
 
diff --git a/gcc/calls.c b/gcc/calls.c
index d0153a3d1249..36a5d154138b 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -405,7 +405,15 @@ emit_call_1 (funexp, fndecl, funtype, stack_size, rounded_stack_size,
 
 #ifndef ACCUMULATE_OUTGOING_ARGS
 #if defined (HAVE_call_pop) && defined (HAVE_call_value_pop)
-  if (HAVE_call_pop && HAVE_call_value_pop && n_popped > 0)
+/* If the target has "call" or "call_value" insns, then prefer them
+   if no arguments are actually popped.  If the target does not have
+   "call" or "call_value" insns, then we must use the popping versions
+   even if the call has no arguments to pop.  */
+  if (HAVE_call_pop && HAVE_call_value_pop
+#if defined (HAVE_call) && defined (HAVE_call_value)
+      && (n_popped > 0 || ! HAVE_call || ! HAVE_call_value)
+#endif
+      )
     {
       rtx n_pop = GEN_INT (n_popped);
       rtx pat;