| Aaron Watry | 7659157 | 2013-08-15 19:21:07 +0000 | [diff] [blame] | 1 | //hadd = (x+y)>>1 |
| 2 | //This can be simplified to x>>1 + y>>1 + (1 if both x and y have the 1s bit set) | ||||
| 3 | //This saves us having to do any checks for overflow in the addition sum | ||||
| 4 | _CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE hadd(__CLC_GENTYPE x, __CLC_GENTYPE y) { | ||||
| 5 | return (x>>(__CLC_GENTYPE)1)+(y>>(__CLC_GENTYPE)1)+(x&y&(__CLC_GENTYPE)1); | ||||
| 6 | } | ||||