vect: Use one reduction_type local variable

Two local variables were defined to refer same STMT_VINFO_REDUC_TYPE, better
to keep only one.

2024-06-16 Feng Xue <fxue@os.amperecomputing.com>

gcc/
	* tree-vect-loop.cc (vectorizable_reduction): Remove v_reduc_type, and
	replace it to another local variable reduction_type.

diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc
index aab408d1019db78042e81c1d066638362970152a..27f77ed8b0b603f86ed825191d51fed132868f23 100644 (file)
--- a/gcc/tree-vect-loop.cc
+++ b/gcc/tree-vect-loop.cc
@@ -7868,10 +7868,10 @@ vectorizable_reduction (loop_vec_info loop_vinfo,
   if (lane_reducing)
     STMT_VINFO_REDUC_VECTYPE_IN (stmt_info) = vectype_in;
 
-  enum vect_reduction_type v_reduc_type = STMT_VINFO_REDUC_TYPE (phi_info);
-  STMT_VINFO_REDUC_TYPE (reduc_info) = v_reduc_type;
+  enum vect_reduction_type reduction_type = STMT_VINFO_REDUC_TYPE (phi_info);
+  STMT_VINFO_REDUC_TYPE (reduc_info) = reduction_type;
   /* If we have a condition reduction, see if we can simplify it further.  */
-  if (v_reduc_type == COND_REDUCTION)
+  if (reduction_type == COND_REDUCTION)
     {
       if (slp_node && SLP_TREE_LANES (slp_node) != 1)
        return false;
@@ -8038,7 +8038,7 @@ vectorizable_reduction (loop_vec_info loop_vinfo,
 
   STMT_VINFO_REDUC_CODE (reduc_info) = orig_code;
 
-  vect_reduction_type reduction_type = STMT_VINFO_REDUC_TYPE (reduc_info);
+  reduction_type = STMT_VINFO_REDUC_TYPE (reduc_info);
   if (reduction_type == TREE_CODE_REDUCTION)
     {
       /* Check whether it's ok to change the order of the computation.