diff options
Diffstat (limited to 'riscv/insns/mhraccu.h')
| -rw-r--r-- | riscv/insns/mhraccu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/riscv/insns/mhraccu.h b/riscv/insns/mhraccu.h new file mode 100644 index 00000000..9cf5e5a4 --- /dev/null +++ b/riscv/insns/mhraccu.h @@ -0,0 +1,5 @@ +require_extension('P'); +require_rv32; +reg_t mres = reg_t((uint32_t)RS1) * reg_t((uint32_t)RS2); +uint32_t round = ((mres >> 31) + 1) >> 1; +WRITE_RD(RD + round);
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