- Synopsis
-
Read double-precision floating-point high-bit data
- Mnemonic
-
th.fmv.x.hw rd, fs1
- Encoding
{reg:[
{ bits: 7, name: 0xb, attr: ['custom-0, 32 bit'] },
{ bits: 5, name: 'rd' },
{ bits: 3, name: 0x1 },
{ bits: 5, name: 'fs1' },
{ bits: 5, name: 0x0 },
{ bits: 7, name: 0x50 },
]}
- Description
-
This instruction stores the upper 32-bit of the specified double-precision FP register fs1 in the specified 32-bit GP register rd.
- Operation
rd := fs1[63:32]- Permission
-
This instruction can be executed in all privilege levels.
- Exceptions
-
This instruction does not trigger any exceptions.
- Included in
| Extension |
|---|
XTheadFmv ([xtheadfmv]) |