tree 1d8c03970355f441cd3710ba49c6448db20a0108
parent 73a8d572f5d2e7020b71026d48bfdf99decf8d5b
author Ilya Tokar <tokarip@google.com> 1576177496 -0500
committer Ilya Tokar <tokarip@google.com> 1576190333 -0500

Bug 1785: fix pround on x86 to use the same rounding mode as std::round.

This also adds pset1frombits helper to Packet[24]d.
Makes round ~45% slower for SSE: 1.65µs ± 1% before vs 2.45µs ± 2% after,
stil an order of magnitude faster than scalar version: 33.8µs ± 2%.