* config/alpha/alpha.md (clear_cache): New pattern.

From-SVN: r187255

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 33aae8a11d85c7b4595cff90dca28786b1aa4a41..084f063c9258744d838214d181d660a6b626e973 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2012-05-07  Richard Henderson  <rth@redhat.com>
+
+       * config/alpha/alpha.md (clear_cache): New pattern.
+
 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
 
        PR middle-end/53245

diff --git a/gcc/config/alpha/alpha.md b/gcc/config/alpha/alpha.md
index e89ed271942080b81dc4c59c1abf1e8eef487d16..21c4d2e05547d9aa28141e2b8fe24123534db1dd 100644 (file)
--- a/gcc/config/alpha/alpha.md
+++ b/gcc/config/alpha/alpha.md
@@ -4346,6 +4346,15 @@
   "call_pal 0x86"
   [(set_attr "type" "callpal")])
 
+(define_expand "clear_cache"
+  [(match_operand:DI 0 "")             ; region start
+   (match_operand:DI 1 "")]            ; region end
+  ""
+{
+  emit_insn (gen_imb ());
+  DONE;
+})
+
 ;; BUGCHK is documented common to OSF/1 and VMS PALcode.
 (define_insn "trap"
   [(trap_if (const_int 1) (const_int 0))]