md.texi: Mention that a target shouldn't implement vec_widen_(s|u)mul_even/odd pair...
authorBingfeng Mei <bmei@broadcom.com>
Wed, 29 Jan 2014 10:10:20 +0000 (10:10 +0000)
committerBingfeng Mei <meibf@gcc.gnu.org>
Wed, 29 Jan 2014 10:10:20 +0000 (10:10 +0000)
commit4a271b7ef041cd9e8fdcb3c1a8139fe704500d78
tree64d7a8574d55d7dfd5addc051e6c7d6378e7657b
parent3d54b29d70cca0ae952f3fed9423c3acb28778a5
md.texi: Mention that a target shouldn't implement vec_widen_(s|u)mul_even/odd pair if...

2014-01-29  Bingfeng Mei  <bmei@broadcom.com>

* doc/md.texi: Mention that a target shouldn't implement
vec_widen_(s|u)mul_even/odd pair if it is less efficient
than hi/lo pair.

From-SVN: r207228
gcc/ChangeLog
gcc/doc/md.texi