* config/rs6000/rs6000.md (probe_stack): Use an enclosing SET.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155251 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f214d42..aaf4a1e 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2009-12-15  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * config/rs6000/rs6000.md (probe_stack): Use an enclosing SET.
+
 2009-12-15  Richard Guenther  <rguenther@suse.de>
 
        * gimple.h (compare_field_offset): Declare.

diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 5e959db..f30cb38 100644 (file)
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -12552,7 +12552,8 @@
   "")
 
 (define_insn "probe_stack"
-  [(unspec [(match_operand 0 "memory_operand" "=m")] UNSPEC_PROBE_STACK)]
+  [(set (match_operand 0 "memory_operand" "=m")
+        (unspec [(const_int 0)] UNSPEC_PROBE_STACK))]
   ""
   "{st%U0%X0|stw%U0%X0} 0,%0"
   [(set_attr "type" "store")