[LLVMbugs] [Bug 14590] X86: Need to implement efficient vector sign-extend load.
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Sat Dec 22 03:35:11 PST 2012
http://llvm.org/bugs/show_bug.cgi?id=14590
Benjamin Kramer <benny.kra at gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |benny.kra at gmail.com
Resolution| |FIXED
--- Comment #2 from Benjamin Kramer <benny.kra at gmail.com> 2012-12-22 05:35:11 CST ---
With r170984 we emit:
movq (%rdi), %xmm0
punpcklwd %xmm0, %xmm0 ## xmm0 = xmm0[0,0,1,1,2,2,3,3]
psrad $16, %xmm0
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