From: Martin Liska <mliska@suse.cz>
Date: Tue, 14 Mar 2017 12:05:29 +0000 (+0100)
Subject: Verify that target can create a dispatcher call (PR target/79892).
X-Git-Tag: basepoints/gcc-8~533
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=546eb36c7e0ba37974489280059ca14166f07c26;p=thirdparty%2Fgcc.git

Verify that target can create a dispatcher call (PR target/79892).

2017-03-14  Martin Liska  <mliska@suse.cz>

	PR target/79892
	* multiple_target.c (create_dispatcher_calls): Check that
	a target can create a function dispatcher.

From-SVN: r246120
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 458faddc8aed..8015a15169c5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-03-14  Martin Liska  <mliska@suse.cz>
+
+	PR target/79892
+	* multiple_target.c (create_dispatcher_calls): Check that
+	a target can create a function dispatcher.
+
 2017-03-14  Martin Liska  <mliska@suse.cz>
 
 	PR lto/66295
diff --git a/gcc/multiple_target.c b/gcc/multiple_target.c
index 4a835bbcc176..427c655c8aea 100644
--- a/gcc/multiple_target.c
+++ b/gcc/multiple_target.c
@@ -68,6 +68,13 @@ create_dispatcher_calls (struct cgraph_node *node)
 		    " supported by this target");
 	  break;
 	}
+      else if (!targetm.get_function_versions_dispatcher)
+	{
+	  error_at (gimple_location (call),
+		    "target does not support function version dispatcher");
+	  break;
+	}
+
       e_next = e->next_caller;
       idecl = targetm.get_function_versions_dispatcher (decl);
       if (!idecl)