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James Greenhalgh
a9bbb2f3a9
[Arm] Do not lower vmax/vmin to Neon instructions
On some Arm cores there is a performance penalty when forwarding from an S register to a D register. Calculating VMAX in a D register creates false forwarding hazards, so don't do that unless we're on a core which specifically asks for it. Patch by James Greenhalgh Differential Revision: https://reviews.llvm.org/D75248
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