2 Commits

Author	SHA1	Message	Date
Chris Metcalf	c753bf34c9	word-at-a-time.h: support zero_bytemask() on alpha and tile ... Both alpha and tile needed implementations of zero_bytemask. The alpha version is untested. Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>	2015-10-06 14:53:16 -04:00
Chris Metcalf	5bf6c07a18	tile: add <asm/word-at-a-time.h> and enable support functions ... This change enables the generic strncpy_from_user() and strnlen_user() using word-at-a-time.h. The tile implementation is trivial since both tilepro and tilegx have SIMD operations that do byte-wise comparisons against immediate zero for each byte, and return an 0x01 byte in each position where there is a 0x00 byte. Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>	2015-04-30 15:23:37 -04:00