vectorizable_store prints the number of copies in the dump output, but vectorizable_loads doesn't.
Tested on x86_64-linux-gnu and arm-linux-gnueabi. OK to install? Richard gcc/ * tree-vect-stmts.c (vectorizable_load): Print the number of copies in the dump file. Index: gcc/tree-vect-stmts.c =================================================================== --- gcc/tree-vect-stmts.c 2011-04-12 11:53:54.000000000 +0100 +++ gcc/tree-vect-stmts.c 2011-04-12 11:55:07.000000000 +0100 @@ -3935,7 +3935,7 @@ vectorizable_load (gimple stmt, gimple_s } if (vect_print_dump_info (REPORT_DETAILS)) - fprintf (vect_dump, "transform load."); + fprintf (vect_dump, "transform load. ncopies = %d", ncopies); /** Transform. **/