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2c6e54d1cd
v8.1M defines a new FP system register FPSCR_nzcvqc; this behaves like the existing FPSCR, except that it reads and writes only bits [31:27] of the FPSCR (the N, Z, C, V and QC flag bits). (Unlike the FPSCR, the special case for Rt=15 of writing the CPSR.NZCV is not permitted.) Implement the register. Since we don't yet implement MVE, we handle the QC bit as RES0, with todo comments for where we will need to add support later. Backports 9542c30bcf13c495400d63616dd8dfa825b04685 |
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