Matt Arsenault ed5017e153 GlobalISel: Start defining strict FP instructions ...

The AMDGPU lowering for unconstrained G_FDIV sometimes needs to
introduce a mode switch in the middle, so it's helpful to have
constrained instructions available to legalize this. Right now nothing
is preventing reordering of the mode switch with the other
instructions in the expansion.

2020-06-03 20:46:37 -04:00

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