On Fri, 2020-08-21 at 17:52 +0100, Roger Sayle wrote:
> This simple patch to match.pd optimizes away bit permutation
> operations, specifically bswap and rotate, in calls to popcount and
> parity. Although this patch has been developed and tested on LP64,
> it relies on there being no truncations
On Fri, 21 Aug 2020, Roger Sayle wrote:
This simple patch to match.pd optimizes away bit permutation
operations, specifically bswap and rotate, in calls to popcount and
parity.
Good idea.
Although this patch has been developed and tested on LP64,
it relies on there being no truncations or
This simple patch to match.pd optimizes away bit permutation
operations, specifically bswap and rotate, in calls to popcount and
parity. Although this patch has been developed and tested on LP64,
it relies on there being no truncations or extensions to "marry up"
the appropriate PARITY, PARITYL
