* config/i386/i386.c (expand_vec_perm_pshufb2): Commit

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

diff --git a/gcc/tree.def b/gcc/tree.def
index 3e59819..a307249 100644 (file)
--- a/gcc/tree.def
+++ b/gcc/tree.def
@@ -900,8 +900,7 @@ DEFTREECODE (CATCH_EXPR, "catch_expr", tcc_statement, 2)
 
 /* Used to represent an exception specification.  EH_FILTER_TYPES is a list
    of allowed types, and EH_FILTER_FAILURE is an expression to evaluate on
-   failure.  EH_FILTER_MUST_NOT_THROW controls which range type to use when
-   expanding.  */
+   failure.  */
 DEFTREECODE (EH_FILTER_EXPR, "eh_filter_expr", tcc_statement, 2)
 
 /* Node used for describing a property that is known at compile
@@ -1076,6 +1075,10 @@ DEFTREECODE (OMP_ATOMIC_CAPTURE_NEW, "omp_atomic_capture_new", tcc_statement, 2)
 /* OpenMP clauses.  */
 DEFTREECODE (OMP_CLAUSE, "omp_clause", tcc_exceptional, 0)
 
+/* TRANSACTION_EXPR tree code.
+   Operand 0: BODY: contains body of the transaction.  */
+DEFTREECODE (TRANSACTION_EXPR, "transaction_expr", tcc_expression, 1)
+
 /* Reduction operations.
    Operations that take a vector of elements and "reduce" it to a scalar
    result (e.g. summing the elements of the vector, finding the minimum over
@@ -1125,6 +1128,19 @@ DEFTREECODE (WIDEN_MULT_PLUS_EXPR, "widen_mult_plus_expr", tcc_expression, 3)
    is subtracted from t3.  */
 DEFTREECODE (WIDEN_MULT_MINUS_EXPR, "widen_mult_minus_expr", tcc_expression, 3)
 
+/* Widening shift left.
+   The first operand is of type t1.
+   The second operand is the number of bits to shift by; it need not be the
+   same type as the first operand and result.
+   Note that the result is undefined if the second operand is larger
+   than or equal to the first operand's type size.
+   The type of the entire expression is t2, such that t2 is at least twice
+   the size of t1.
+   WIDEN_LSHIFT_EXPR is equivalent to first widening (promoting)
+   the first argument from type t1 to type t2, and then shifting it
+   by the second argument.  */
+DEFTREECODE (WIDEN_LSHIFT_EXPR, "widen_lshift_expr", tcc_binary, 2)
+
 /* Fused multiply-add.
    All operands and the result are of the same type.  No intermediate
    rounding is performed after multiplying operand one with operand two
@@ -1172,13 +1188,15 @@ DEFTREECODE (VEC_PACK_SAT_EXPR, "vec_pack_sat_expr", tcc_binary, 2)
    the output vector.  */
 DEFTREECODE (VEC_PACK_FIX_TRUNC_EXPR, "vec_pack_fix_trunc_expr", tcc_binary, 2)
 
-/* Extract even/odd fields from vectors.  */
-DEFTREECODE (VEC_EXTRACT_EVEN_EXPR, "vec_extracteven_expr", tcc_binary, 2)
-DEFTREECODE (VEC_EXTRACT_ODD_EXPR, "vec_extractodd_expr", tcc_binary, 2)
-
-/* Merge input vectors interleaving their fields.  */
-DEFTREECODE (VEC_INTERLEAVE_HIGH_EXPR, "vec_interleavehigh_expr", tcc_binary, 2)
-DEFTREECODE (VEC_INTERLEAVE_LOW_EXPR, "vec_interleavelow_expr", tcc_binary, 2)
+/* Widening vector shift left in bits.
+   Operand 0 is a vector to be shifted with N elements of size S.
+   Operand 1 is an integer shift amount in bits.
+   The result of the operation is N elements of size 2*S.
+   VEC_WIDEN_LSHIFT_HI_EXPR computes the N/2 high results.
+   VEC_WIDEN_LSHIFT_LO_EXPR computes the N/2 low results.
+ */
+DEFTREECODE (VEC_WIDEN_LSHIFT_HI_EXPR, "widen_lshift_hi_expr", tcc_binary, 2)
+DEFTREECODE (VEC_WIDEN_LSHIFT_LO_EXPR, "widen_lshift_lo_expr", tcc_binary, 2)
 
 /* PREDICT_EXPR.  Specify hint for branch prediction.  The
    PREDICT_EXPR_PREDICTOR specify predictor and PREDICT_EXPR_OUTCOME the