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0f0b2e0bd8
The FRECPX instructions should (like most other floating point operations) honour the FPCR.FZ bit which specifies whether input denormals should be flushed to zero (or FZ16 for the half-precision version). We forgot to implement this, which doesn't affect the results (since the calculation doesn't actually care about the mantissa bits) but did mean we were failing to set the FPSR.IDC bit. Backports commit 2cfbf36ec07f7cac1aabb3b86f1c95c8a55424ba from qemu |
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