https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102811
--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> --- Something like (argument and result in %xmm0): vpxor %xmm1, %xmm1, %xmm1 vpblendw %xmm1, %xmm1, %xmm0, $1 vcvtph2ps %xmm0, %xmm1 instead of __extendhfsf2 and: vxorps %xmm1, %xmm1, %xmm1 vblendps %xmm1, %xmm1, %xmm0, $1 vcvtps2ph %xmm0, %xmm1 instead of __truncsfhf2.
