[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
https://bugs.llvm.org/show_bug.cgi?id=9199
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:
_Z10CopyStructP3FooS0_:
.fnstart
@ 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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