I'd cut-&-paste vect-over-widen-23.c in an attempt to get the target reuirements right, but by doing so carried over an unwanted test for shifts.
Tested on arm-none-eabi and committed as obvious. Richard 2018-12-06 Richard Sandiford <richard.sandif...@arm.com> gcc/testsuite/ * gcc.dg/vect/vect-over-widen-23.c: Remove unwanted line. Index: gcc/testsuite/gcc.dg/vect/vect-over-widen-23.c =================================================================== --- gcc/testsuite/gcc.dg/vect/vect-over-widen-23.c 2018-12-05 15:52:39.706005365 +0000 +++ gcc/testsuite/gcc.dg/vect/vect-over-widen-23.c 2018-12-06 18:00:59.833858720 +0000 @@ -25,7 +25,6 @@ foo () } } -/* { dg-final { scan-tree-dump-times "vect_recog_widen_shift_pattern: detected" 2 "vect" { target vect_widen_shift } } } */ /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* \+} "vect" } } */ /* { dg-final { scan-tree-dump {VIEW_CONVERT_EXPR<vector[^ ]* unsigned} "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */