intel/compiler: Change selected_simd return type to int.
brw_simd_select return type is int.
Fix defect reported by Coverity Scan.
Unsigned compared against 0 (NO_EFFECT) unsigned_compare: This less-than-zero comparison of an unsigned value is never true. selected_simd < 0U.
Fixes: 7dda0cf2 ("intel/compiler: Use SIMD selection helpers for CS") Signed-off-by: Vinson Lee vlee@freedesktop.org