[llvm-bugs] [Bug 9199] Not properly lowering memcpy intrinsic using LDMIA/STMIA on ARM

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Dec 10 12:08:10 PST 2017


Gordon Keiser <codeman.consulting at gmail.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
                 CC|                            |codeman.consulting at gmail.co
                   |                            |m
         Resolution|---                         |FIXED

--- Comment #2 from Gordon Keiser <codeman.consulting at gmail.com> ---
Clang from ~July does this: 

@ BB#0:
        vld1.32 {d16, d17}, [r1]
        vst1.32 {d16, d17}, [r0]
        bx      lr

Which is faster than ldmia anyway, so I'd say this has been resolved.

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