csrrci

Operands

reg, csr, imm

Atomic Read/Clear CSR Immediate: read from the CSR into t0 and clear bits of the CSR according to a constant

Atomic Read/Clear CSR Immediate: read from the CSR into t0 and clear bits of the CSR according to a constant csrrci t0, fcsr, 10

# Initialize fcsr=1; csrrci returns old fcsr in t0 and leaves fcsr=0.
.text
li t3, 1
csrw t3, fcsr
csrrci t0, fcsr, 1
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