* config/i386/xmmintrin.h (_mm_prefetch): Added const to first arg.

[pf3gnuchains/gcc-fork.git] / gcc / tree.def

diff --git a/gcc/tree.def b/gcc/tree.def
index b9c2be1..5693749 100644 (file)
--- a/gcc/tree.def
+++ b/gcc/tree.def
@@ -1059,6 +1059,18 @@ DEFTREECODE (OMP_CONTINUE, "omp_continue", tcc_statement, 2)
        build_fold_indirect_ref of the address.  */
 DEFTREECODE (OMP_ATOMIC, "omp_atomic", tcc_statement, 2)
 
+/* Codes used for lowering of OMP_ATOMIC.  Although the form of the OMP_ATOMIC
+   statement is very simple (just in form mem op= expr), various implicit
+   conversions may cause the expression become more complex, so that it does
+   not fit the gimple grammar very well.  To overcome this problem, OMP_ATOMIC
+   is rewritten as a sequence of two codes in gimplification:
+
+   OMP_LOAD (tmp, mem)
+   val = some computations involving tmp;
+   OMP_STORE (val)  */
+DEFTREECODE (OMP_ATOMIC_LOAD, "omp_atomic_load", tcc_statement, 2)
+DEFTREECODE (OMP_ATOMIC_STORE, "omp_atomic_store", tcc_statement, 1)
+
 /* OpenMP clauses.  */
 DEFTREECODE (OMP_CLAUSE, "omp_clause", tcc_exceptional, 0)