[patch] systemtap-3.1-ia64.patch

systemtap-3.1-ia64.patch (text/plain), 621 bytes, created by Sergei Trofimovich (RETIRED) on 2017-11-04 19:06:29 UTC

Workaround build failure on ia64

Avoid 'o' constraint to allow gcc to select register operand.
That way instruction selector can satisfy all constraints
for PROBE2 macro.

Reported-by: Émeric Maschino
Bug: https://bugs.gentoo.org/510134
diff --git a/cache.cxx b/cache.cxx
index 3546b30..2710abf 100644
--- a/cache.cxx
+++ b/cache.cxx
@@ -8,2 +8,10 @@
 
+#ifdef __ia64__
+// Default is: nor
+// We disable 'o' because gcc fails to select register
+// constraint for second instruction in 'add_script_to_cache'
+//     https://bugs.gentoo.org/510134
+#    define STAP_SDT_ARG_CONSTRAINT nr
+#endif
+
 #include "config.h"