-; RUN: llc -mtriple=hexagon-unknown-elf -mcpu=hexagonv5 < %s | FileCheck %s
+; RUN: llc -mtriple=hexagon-unknown-elf -mcpu=hexagonv5 -hexagon-bit=0 < %s | FileCheck %s
; Optimize fabsf to clrbit in V5.
; CHECK: r{{[0-9]+}} = clrbit(r{{[0-9]+}}, #31)