Bug swiftshader:6

Change-Id: Ifd28cab11e814dd09515ad8721f8d3d86123f19c
Reviewed-on: https://swiftshader-review.googlesource.com/7970Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
Reviewed-on: https://swiftshader-review.googlesource.com/8165Reviewed-by: Alexis Hétu <sugoi@google.com>